diff --git a/jwql/database/database_interface.py b/jwql/database/database_interface.py
index 73b536eed..d94532ef4 100644
--- a/jwql/database/database_interface.py
+++ b/jwql/database/database_interface.py
@@ -84,10 +84,9 @@
 from jwql.utils.constants import ANOMALIES_PER_INSTRUMENT
 from jwql.utils.constants import FILE_SUFFIX_TYPES
 from jwql.utils.constants import JWST_INSTRUMENT_NAMES
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 from jwql.utils.utils import get_config
 
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
 
 # Monkey patch Query with data_frame method
 @property
diff --git a/jwql/edb/engineering_database.py b/jwql/edb/engineering_database.py
index fea43aafa..b342b2743 100644
--- a/jwql/edb/engineering_database.py
+++ b/jwql/edb/engineering_database.py
@@ -58,20 +58,20 @@
 from astroquery.mast import Mast
 from bokeh.embed import components
 from bokeh.layouts import column
-from bokeh.models import BoxAnnotation, ColumnDataSource, DatetimeTickFormatter, HoverTool, Range1d
+from bokeh.models import BoxAnnotation, ColumnDataSource, DatetimeTickFormatter, HoverTool
+from bokeh.models import Range1d
 from bokeh.plotting import figure, output_file, show, save
 import numpy as np
 
 from jwst.lib.engdb_tools import ENGDB_Service
 from jwql.utils.constants import MIRI_POS_RATIO_VALUES
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 from jwql.utils.credentials import get_mast_base_url, get_mast_token
 from jwql.utils.utils import get_config
 
 MAST_EDB_MNEMONIC_SERVICE = 'Mast.JwstEdb.Mnemonics'
 MAST_EDB_DICTIONARY_SERVICE = 'Mast.JwstEdb.Dictionary'
 
-# Temporary until JWST operations: switch to test string for MAST request URL
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
 if not ON_GITHUB_ACTIONS:
     Mast._portal_api_connection.MAST_REQUEST_URL = get_config()['mast_request_url']
 
@@ -283,7 +283,7 @@ def __mul__(self, mnem):
                 before = np.where(common_dates == self.data['dates'][block])[0]
 
                 if len(before) > 0:
-                    new_blocks.append(before[0]) # + 1)
+                    new_blocks.append(before[0])  # + 1)
             except IndexError:
                 # The final block value is usually equal to the length of the array, and will
                 # therefore cause an Index Error in the lines above. Ignore that error here.
@@ -421,7 +421,7 @@ def block_stats(self, sigma=3, ignore_vals=[], ignore_edges=False, every_change=
             # calculated, remove those every change values and block values from the EdbMnemonic
             # instance.
             if every_change:
-                if len(remove_change_indexes)  > 0:
+                if len(remove_change_indexes) > 0:
                     self.every_change_values = np.delete(self.every_change_values, remove_change_indexes)
                     self.blocks = np.delete(self.blocks, remove_change_indexes)
 
@@ -439,7 +439,7 @@ def block_stats(self, sigma=3, ignore_vals=[], ignore_edges=False, every_change=
                     stdevs.append(stdevval)
                     maxs.append(meanval)
                     mins.append(meanval)
-                    #if hasattr(self, 'every_change_values'):
+                    # if hasattr(self, 'every_change_values'):
                     #        updated_every_change_vals.append(self.every_change_values[i + 1])
         self.mean = means
         self.median = medians
@@ -510,9 +510,9 @@ def block_stats_filter_positions(self, sigma=5):
                                                                                          self.data["euvalues"].data[index:self.blocks[i + 1]],
                                                                                          sigma=sigma)
                     if np.isfinite(meanval):
-                        #this is preventing the nans above from being added. not sure what to do here.
-                        #bokeh cannot deal with nans. but we need entries in order to have the blocks indexes
-                        #remain correct. but maybe we dont care about the block indexes after averaging
+                        # this is preventing the nans above from being added. not sure what to do here.
+                        # bokeh cannot deal with nans. but we need entries in order to have the blocks indexes
+                        # remain correct. but maybe we dont care about the block indexes after averaging
                         medtimes.append(calc_median_time(self.data["dates"].data[index:self.blocks[i + 1]][good]))
                         means.append(meanval)
                         medians.append(medianval)
@@ -523,7 +523,7 @@ def block_stats_filter_positions(self, sigma=5):
             # If there were blocks composed entirely of bad data, meaning no mean values were
             # calculated, remove those every change values and block values from the EdbMnemonic
             # instance.
-            if len(remove_change_indexes)  > 0:
+            if len(remove_change_indexes) > 0:
                 self.every_change_values = np.delete(self.every_change_values, remove_change_indexes)
                 self.blocks = np.delete(self.blocks, remove_change_indexes)
 
@@ -690,37 +690,33 @@ def bokeh_plot(self, show_plot=False, savefig=False, out_dir='./', nominal_value
                 if plot_mean:
                     source_mean = ColumnDataSource(data={'mean_x': self.median_times, 'mean_y': self.mean})
                     mean_data = fig.scatter(x='mean_x', y='mean_y', line_width=1, line_color='orange', alpha=0.75, source=source_mean)
-                    mean_hover_tool = HoverTool(tooltips=[('Mean', '@mean_y'),
-                                                          ('Date', '@mean_x{%d %b %Y %H:%M:%S}')
-                                                         ], mode='mouse', renderers=[mean_data])
+                    mean_hover_tool = HoverTool(tooltips=[('Mean', '@mean_y'), ('Date', '@mean_x{%d %b %Y %H:%M:%S}')],
+                                                mode='mouse', renderers=[mean_data])
                     mean_hover_tool.formatters = {'@mean_x': 'datetime'}
                     fig.tools.append(mean_hover_tool)
 
                 if plot_median:
                     source_median = ColumnDataSource(data={'median_x': self.median_times, 'median_y': self.median})
                     median_data = fig.scatter(x='median_x', y='median_y', line_width=1, line_color='orangered', alpha=0.75, source=source_median)
-                    median_hover_tool = HoverTool(tooltips=[('Median', '@median_y'),
-                                                            ('Date', '@median_x{%d %b %Y %H:%M:%S}')
-                                                           ], mode='mouse', renderers=[median_data])
+                    median_hover_tool = HoverTool(tooltips=[('Median', '@median_y'), ('Date', '@median_x{%d %b %Y %H:%M:%S}')],
+                                                  mode='mouse', renderers=[median_data])
                     median_hover_tool.formatters = {'@median_x': 'datetime'}
                     fig.tools.append(median_hover_tool)
 
-                 # If the max and min arrays are to be plotted, create columndata sources for them as well
+                # If the max and min arrays are to be plotted, create columndata sources for them as well
                 if plot_max:
                     source_max = ColumnDataSource(data={'max_x': self.median_times, 'max_y': self.max})
                     max_data = fig.scatter(x='max_x', y='max_y', line_width=1, color='black', line_color='black', source=source_max)
-                    max_hover_tool = HoverTool(tooltips=[('Max', '@max_y'),
-                                                         ('Date', '@max_x{%d %b %Y %H:%M:%S}')
-                                                        ], mode='mouse', renderers=[max_data])
+                    max_hover_tool = HoverTool(tooltips=[('Max', '@max_y'), ('Date', '@max_x{%d %b %Y %H:%M:%S}')],
+                                               mode='mouse', renderers=[max_data])
                     max_hover_tool.formatters = {'@max_x': 'datetime'}
                     fig.tools.append(max_hover_tool)
 
                 if plot_min:
                     source_min = ColumnDataSource(data={'min_x': self.median_times, 'min_y': self.min})
                     min_data = fig.scatter(x='min_x', y='min_y', line_width=1, color='black', line_color='black', source=source_min)
-                    minn_hover_tool = HoverTool(tooltips=[('Min', '@min_y'),
-                                                          ('Date', '@min_x{%d %b %Y %H:%M:%S}')
-                                                         ], mode='mouse', renderers=[min_data])
+                    minn_hover_tool = HoverTool(tooltips=[('Min', '@min_y'), ('Date', '@min_x{%d %b %Y %H:%M:%S}')],
+                                                mode='mouse', renderers=[min_data])
                     min_hover_tool.formatters = {'@min_x': 'datetime'}
                     fig.tools.append(min_hover_tool)
 
diff --git a/jwql/instrument_monitors/common_monitors/bad_pixel_monitor.py b/jwql/instrument_monitors/common_monitors/bad_pixel_monitor.py
index c0366df14..d3ae2e795 100755
--- a/jwql/instrument_monitors/common_monitors/bad_pixel_monitor.py
+++ b/jwql/instrument_monitors/common_monitors/bad_pixel_monitor.py
@@ -105,19 +105,13 @@
 from jwql.shared_tasks.shared_tasks import only_one, run_pipeline, run_parallel_pipeline
 from jwql.utils import crds_tools, instrument_properties, monitor_utils
 from jwql.utils.constants import DARKS_BAD_PIXEL_TYPES, DARK_EXP_TYPES, FLATS_BAD_PIXEL_TYPES, FLAT_EXP_TYPES
-from jwql.utils.constants import JWST_INSTRUMENT_NAMES, JWST_INSTRUMENT_NAMES_MIXEDCASE
+from jwql.utils.constants import JWST_INSTRUMENT_NAMES, JWST_INSTRUMENT_NAMES_MIXEDCASE, ON_GITHUB_ACTIONS
+from jwql.utils.constants import ON_READTHEDOCS
 from jwql.utils.logging_functions import log_info, log_fail
 from jwql.utils.mast_utils import mast_query
 from jwql.utils.permissions import set_permissions
 from jwql.utils.utils import copy_files, create_png_from_fits, ensure_dir_exists, get_config, filesystem_path
 
-# Determine if the code is being run by Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
-# Determine if the code is being run as part of a Readthedocs build
-ON_READTHEDOCS = False
-if 'READTHEDOCS' in os.environ:  # pragma: no cover
-    ON_READTHEDOCS = os.environ['READTHEDOCS']
 
 if not ON_GITHUB_ACTIONS and not ON_READTHEDOCS:
     from jwql.website.apps.jwql.monitor_pages.monitor_bad_pixel_bokeh import BadPixelPlots
diff --git a/jwql/instrument_monitors/common_monitors/readnoise_monitor.py b/jwql/instrument_monitors/common_monitors/readnoise_monitor.py
index 9401ce3b4..36543cc6e 100755
--- a/jwql/instrument_monitors/common_monitors/readnoise_monitor.py
+++ b/jwql/instrument_monitors/common_monitors/readnoise_monitor.py
@@ -44,18 +44,19 @@
 import crds
 import matplotlib
 matplotlib.use('Agg')
-import matplotlib.pyplot as plt  # noqa: E348 (comparison to true)
-import numpy as np  # noqa: E348 (comparison to true)
-from pysiaf import Siaf  # noqa: E348 (comparison to true)
-
-# astroquery.mast import that depends on value of auth_mast
-# this import has to be made before any other import of astroquery.mast
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
-# Determine if the code is being run as part of a Readthedocs build
-ON_READTHEDOCS = False
-if 'READTHEDOCS' in os.environ:  # pragma: no cover
-    ON_READTHEDOCS = os.environ['READTHEDOCS']
+import matplotlib.pyplot as plt  # noqa: E402 (module level import not at top of file)
+import numpy as np  # noqa: E402 (module level import not at top of file)
+from pysiaf import Siaf  # noqa: E402 (module level import not at top of file)
+
+from jwql.shared_tasks.shared_tasks import only_one, run_pipeline, run_parallel_pipeline  # noqa: E402 (module level import not at top of file)
+from jwql.instrument_monitors import pipeline_tools  # noqa: E402 (module level import not at top of file)
+from jwql.utils import instrument_properties, monitor_utils  # noqa: E402 (module level import not at top of file)
+from jwql.utils.constants import JWST_INSTRUMENT_NAMES, JWST_INSTRUMENT_NAMES_MIXEDCASE  # noqa: E402 (module level import not at top of file)
+from jwql.utils.constants import ON_GITHUB_ACTIONS, ON_READTHEDOCS  # noqa: E402 (module level import not at top of file)
+from jwql.utils.logging_functions import log_info, log_fail  # noqa: E402 (module level import not at top of file)
+from jwql.utils.monitor_utils import update_monitor_table  # noqa: E402 (module level import not at top of file)
+from jwql.utils.permissions import set_permissions  # noqa: E402 (module level import not at top of file)
+from jwql.utils.utils import ensure_dir_exists, filesystem_path, get_config, copy_files  # noqa: E402 (module level import not at top of file)
 
 if not ON_GITHUB_ACTIONS and not ON_READTHEDOCS:
     # Need to set up django apps before we can access the models
@@ -67,15 +68,6 @@
     # for this monitor
     from jwql.website.apps.jwql.monitor_models.readnoise import *  # noqa: E402 (module level import not at top of file)
 
-from jwql.shared_tasks.shared_tasks import only_one, run_pipeline, run_parallel_pipeline  # noqa: E348 (comparison to true)
-from jwql.instrument_monitors import pipeline_tools  # noqa: E348 (comparison to true)
-from jwql.utils import instrument_properties, monitor_utils  # noqa: E348 (comparison to true)
-from jwql.utils.constants import JWST_INSTRUMENT_NAMES, JWST_INSTRUMENT_NAMES_MIXEDCASE  # noqa: E348 (comparison to true)
-from jwql.utils.logging_functions import log_info, log_fail  # noqa: E348 (comparison to true)
-from jwql.utils.monitor_utils import update_monitor_table  # noqa: E348 (comparison to true)
-from jwql.utils.permissions import set_permissions  # noqa: E348 (comparison to true)
-from jwql.utils.utils import ensure_dir_exists, filesystem_path, get_config, copy_files  # noqa: E348 (comparison to true)
-
 
 class Readnoise():
     """Class for executing the readnoise monitor.
diff --git a/jwql/tests/test_api_views.py b/jwql/tests/test_api_views.py
index e3a2d1ca1..7b0994536 100644
--- a/jwql/tests/test_api_views.py
+++ b/jwql/tests/test_api_views.py
@@ -29,9 +29,8 @@
 
 from jwql.utils.utils import get_base_url
 from jwql.utils.constants import JWST_INSTRUMENT_NAMES
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 
-# Determine if tests are being run on Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
 
 urls = []
 
diff --git a/jwql/tests/test_bad_pixel_monitor.py b/jwql/tests/test_bad_pixel_monitor.py
index 4bc5c9d92..b3cae5fc3 100644
--- a/jwql/tests/test_bad_pixel_monitor.py
+++ b/jwql/tests/test_bad_pixel_monitor.py
@@ -32,9 +32,7 @@
 from jwql.database.database_interface import FGSBadPixelQueryHistory, FGSBadPixelStats
 from jwql.instrument_monitors.common_monitors import bad_pixel_monitor
 from jwql.tests.resources import has_test_db
-
-# Determine if tests are being run on Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 
 
 def test_bad_map_to_list():
diff --git a/jwql/tests/test_bias_monitor.py b/jwql/tests/test_bias_monitor.py
index 6e73a0c01..e5335ea34 100644
--- a/jwql/tests/test_bias_monitor.py
+++ b/jwql/tests/test_bias_monitor.py
@@ -28,8 +28,7 @@
 from jwql.instrument_monitors.common_monitors import bias_monitor
 from jwql.tests.resources import has_test_db
 from jwql.utils.utils import get_config
-
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 
 
 def test_collapse_image():
diff --git a/jwql/tests/test_cosmic_ray_monitor.py b/jwql/tests/test_cosmic_ray_monitor.py
index c9d590a3b..dfe27e4e2 100644
--- a/jwql/tests/test_cosmic_ray_monitor.py
+++ b/jwql/tests/test_cosmic_ray_monitor.py
@@ -26,8 +26,7 @@
 from jwql.instrument_monitors.common_monitors.cosmic_ray_monitor import CosmicRay
 from jwql.database.database_interface import MIRICosmicRayQueryHistory
 from jwql.utils.utils import get_config
-
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 
 
 def define_test_data(nints):
diff --git a/jwql/tests/test_dark_monitor.py b/jwql/tests/test_dark_monitor.py
index 9cb11a96f..a9fe14547 100644
--- a/jwql/tests/test_dark_monitor.py
+++ b/jwql/tests/test_dark_monitor.py
@@ -29,8 +29,7 @@
 from jwql.tests.resources import has_test_db
 from jwql.utils.monitor_utils import mast_query_darks
 from jwql.utils.utils import get_config
-
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 
 
 def test_find_hot_dead_pixels():
diff --git a/jwql/tests/test_data_containers.py b/jwql/tests/test_data_containers.py
index 6cb278c5e..2f799068b 100644
--- a/jwql/tests/test_data_containers.py
+++ b/jwql/tests/test_data_containers.py
@@ -31,18 +31,18 @@
 import pandas as pd
 import pytest
 
+from jwql.utils.constants import ON_GITHUB_ACTIONS
+
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "jwql.website.jwql_proj.settings")
 
 # Skip testing this module if on Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-from jwql.website.apps.jwql import data_containers
-from jwql.tests.resources import (
-    MockSessionFileAnomaly, MockSessionGroupAnomaly,
-    MockGetRequest, MockPostRequest)
-from jwql.utils import constants
+from jwql.website.apps.jwql import data_containers  # noqa: E402 (module level import not at top of file)
+from jwql.tests.resources import MockSessionFileAnomaly, MockSessionGroupAnomaly  # noqa: E402 (module level import not at top of file)
+from jwql.tests.resources import MockGetRequest, MockPostRequest  # noqa: E402 (module level import not at top of file)
+from jwql.utils import constants  # noqa: E402 (module level import not at top of file)
 
 if not ON_GITHUB_ACTIONS:
-    from jwql.utils.utils import get_config
+    from jwql.utils.utils import get_config  # noqa: E402 (module level import not at top of file)
 
 
 @pytest.mark.skipif(ON_GITHUB_ACTIONS, reason='Requires access to django models.')
@@ -142,17 +142,10 @@ def test_get_all_proposals():
                            (['uncal', 'rate', 'bad'], {'bad'})),
                           (False, ['rate', 'uncal', 'bad'],
                            ['uncal', 'rate', 'bad']),
-                          (True,
-                           ['rate', 'uncal', 'bad',
-                           'o006_crfints', 'o001_crf'],
-                           (['uncal', 'rate', 'o001_crf',
-                             'o006_crfints', 'bad'], {'bad'})),
-                          (False,
-                           ['rate', 'uncal', 'bad',
-                           'o006_crfints', 'o001_crf'],
-                           ['uncal', 'rate', 'o001_crf',
-                            'o006_crfints', 'bad']),
-                          ])
+                          (True, ['rate', 'uncal', 'bad', 'o006_crfints', 'o001_crf'],
+                           (['uncal', 'rate', 'o001_crf', 'o006_crfints', 'bad'], {'bad'})),
+                          (False, ['rate', 'uncal', 'bad', 'o006_crfints', 'o001_crf'],
+                           ['uncal', 'rate', 'o001_crf', 'o006_crfints', 'bad'])])
 def test_get_available_suffixes(untracked, input_suffixes, expected):
     result = data_containers.get_available_suffixes(
         input_suffixes, return_untracked=untracked)
@@ -292,6 +285,7 @@ def test_get_anomaly_form_post_group(mocker):
     assert update_mock.call_count == 2
 """
 
+
 def test_get_dashboard_components():
     request = MockPostRequest()
 
diff --git a/jwql/tests/test_database_interface.py b/jwql/tests/test_database_interface.py
index 08890a4f1..9719d9ab4 100755
--- a/jwql/tests/test_database_interface.py
+++ b/jwql/tests/test_database_interface.py
@@ -29,9 +29,7 @@
 from jwql.database import database_interface as di
 from jwql.tests.resources import has_test_db
 from jwql.utils.utils import get_config
-
-# Determine if tests are being run on Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 
 
 @pytest.mark.skipif(ON_GITHUB_ACTIONS, reason='Requires access to development database server.')
diff --git a/jwql/tests/test_edb.py b/jwql/tests/test_edb.py
index a7da24be5..bdbb4b179 100644
--- a/jwql/tests/test_edb.py
+++ b/jwql/tests/test_edb.py
@@ -28,9 +28,7 @@
 import pytest
 
 from jwql.edb import engineering_database as ed
-
-# Determine if tests are being run on Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 
 
 def test_add():
@@ -243,8 +241,8 @@ def test_multiplication():
     info['description'] = 'Voltage at some place'
     mnemonic1 = ed.EdbMnemonic('TEST_VOLTAGE', Time('2021-12-18T07:20:00'), Time('2021-12-18T07:30:00'), tab, {}, info, blocks=blocks1)
     mnemonic1.meta = {'Count': 1,
-                     'TlmMnemonics': [{'TlmMnemonic': 'TEST_VOLTAGE',
-                                       'AllPoints': 1}]}
+                      'TlmMnemonics': [{'TlmMnemonic': 'TEST_VOLTAGE',
+                                        'AllPoints': 1}]}
 
     dates2 = np.array([datetime(2021, 12, 18, 7, n, 10) for n in range(20, 30)])
     data2 = np.array([15, 15, 15, 19, 19, 19, 19, 19, 12, 12])
@@ -258,8 +256,8 @@ def test_multiplication():
     info['description'] = 'Current at some place'
     mnemonic2 = ed.EdbMnemonic('TEST_CURRENT', Time('2021-12-18T07:20:10'), Time('2021-12-18T07:30:10'), tab, {}, info, blocks=blocks2)
     mnemonic2.meta = {'Count': 1,
-                     'TlmMnemonics': [{'TlmMnemonic': 'TEST_CURRENT',
-                                       'AllPoints': 1}]}
+                      'TlmMnemonics': [{'TlmMnemonic': 'TEST_CURRENT',
+                                        'AllPoints': 1}]}
 
     prod = mnemonic1 * mnemonic2
     assert np.allclose(prod.data["euvalues"].data,
diff --git a/jwql/tests/test_edb_telemetry_monitor.py b/jwql/tests/test_edb_telemetry_monitor.py
index f7a91e5d3..8ddd21f6e 100644
--- a/jwql/tests/test_edb_telemetry_monitor.py
+++ b/jwql/tests/test_edb_telemetry_monitor.py
@@ -38,9 +38,6 @@
 from jwql.tests.resources import has_test_db
 from jwql.utils.constants import MIRI_POS_RATIO_VALUES
 
-# Determine if tests are being run on Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
 
 def test_add_every_change_history():
     """Test that every_change data is correctly combined with an existing
@@ -107,13 +104,13 @@ def test_conditions():
     """Test the extraction of data using the ```equal``` class.
     """
     # Create data for mnemonic of interest
-    #start_time = Time('2022-02-02')
-    #end_time = Time('2022-02-03')
+    # start_time = Time('2022-02-02')
+    # end_time = Time('2022-02-03')
     start_time = datetime.datetime(2022, 2, 2)
     end_time = datetime.datetime(2022, 2, 3)
     temp_data = Table()
     temp_data["euvalues"] = np.array([35., 35.1, 35.2, 36., 36.1, 36.2, 37.1, 37., 36., 36.])
-    #temp_data["dates"] = np.array([Time('2022-02-02') + TimeDelta(0.1 * i, format='jd') for i in range(10)])
+    # temp_data["dates"] = np.array([Time('2022-02-02') + TimeDelta(0.1 * i, format='jd') for i in range(10)])
     temp_data["dates"] = np.array([start_time + datetime.timedelta(days=0.1 * i) for i in range(10)])
     meta = {}
     info = {}
@@ -267,7 +264,7 @@ def test_organize_every_change():
     """
     basetime = datetime.datetime(2021, 4, 6, 14, 0, 0)
     dates = np.array([basetime + datetime.timedelta(seconds=600 * i) for i in range(20)])
-    #dates = np.array([basetime + TimeDelta(600 * i, format='sec') for i in range(20)])
+    # dates = np.array([basetime + TimeDelta(600 * i, format='sec') for i in range(20)])
     vals = np.array([300.5, 310.3, -250.5, -500.9, 32.2,
                      300.1, 310.8, -250.2, -500.2, 32.7,
                      300.2, 310.4, -250.6, -500.8, 32.3,
diff --git a/jwql/tests/test_instrument_properties.py b/jwql/tests/test_instrument_properties.py
index 4176cd69c..4a072c7d1 100644
--- a/jwql/tests/test_instrument_properties.py
+++ b/jwql/tests/test_instrument_properties.py
@@ -23,8 +23,7 @@
 import numpy as np
 
 from jwql.utils import instrument_properties
-
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 
 if not ON_GITHUB_ACTIONS:
     from jwql.utils.utils import get_config
diff --git a/jwql/tests/test_loading_times.py b/jwql/tests/test_loading_times.py
index 7c83fed72..02fa6ac24 100644
--- a/jwql/tests/test_loading_times.py
+++ b/jwql/tests/test_loading_times.py
@@ -25,13 +25,11 @@
 import urllib.request
 
 from jwql.utils.constants import MONITORS
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 from jwql.utils.utils import get_base_url
 
 TIME_CONSTRAINT = 30  # seconds
 
-# Determine if tests are being run on Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
 urls = []
 
 # Generic URLs
diff --git a/jwql/tests/test_logging_functions.py b/jwql/tests/test_logging_functions.py
index e68a65ee8..53913a0d0 100644
--- a/jwql/tests/test_logging_functions.py
+++ b/jwql/tests/test_logging_functions.py
@@ -25,11 +25,9 @@
 
 from jwql.utils import logging_functions
 from jwql.utils.logging_functions import configure_logging, log_fail, log_info, make_log_file
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 from jwql.utils.utils import get_config
 
-# Determine if tests are being run on Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
 
 @log_fail
 @log_info
diff --git a/jwql/tests/test_mast_utils.py b/jwql/tests/test_mast_utils.py
index 74c3f0328..d32c2c9b2 100755
--- a/jwql/tests/test_mast_utils.py
+++ b/jwql/tests/test_mast_utils.py
@@ -22,11 +22,10 @@
 from astroquery.mast import Mast
 
 from jwql.utils.constants import JWST_INSTRUMENT_NAMES
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 from jwql.utils import mast_utils as mu
 from jwql.utils.utils import get_config
 
-# Temporary until JWST operations: switch to test string for MAST request URL
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
 if not ON_GITHUB_ACTIONS:
     Mast._portal_api_connection.MAST_REQUEST_URL = get_config()['mast_request_url']
 
@@ -34,9 +33,9 @@
 def test_astroquery_mast():
     """Test if the astroquery.mast service can complete a request"""
     service = 'Mast.Caom.Filtered'
-    params = {'columns': 'COUNT_BIG(*)', 
+    params = {'columns': 'COUNT_BIG(*)',
               'filters': [{"paramName": "obs_collection",
-                           "values": ["JWST"]},], 
+                           "values": ["JWST"]}, ],
               'pagesize': 1, 'page': 1}
     response = Mast.service_request_async(service, params)
     result = response[0].json()
diff --git a/jwql/tests/test_msata_monitor.py b/jwql/tests/test_msata_monitor.py
index fc0286d6c..c4e7b41ad 100644
--- a/jwql/tests/test_msata_monitor.py
+++ b/jwql/tests/test_msata_monitor.py
@@ -31,11 +31,10 @@
 
 from jwql.instrument_monitors.nirspec_monitors.ta_monitors.msata_monitor import MSATA
 from jwql.database.database_interface import NIRSpecTAQueryHistory
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 from jwql.utils.utils import get_config, ensure_dir_exists
 from jwql.utils import monitor_utils, permissions
 
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
 # define the type of a Bokeh plot type
 bokeh_plot_type = type(figure())
 
@@ -53,38 +52,38 @@ def define_testdata():
     msata_data : pandas dataframe
     """
     msata_dict = {
-                    # info taken from main_hdr dict
-                    'filename': ['jw09999001001_02101_00001_nrs1_uncal.fits'],
-                    'date_obs': ['2022-06-22'],
-                    'visit_id': ['V09999001001P0000000002101'],
-                    'tafilter': ['F110W'],
-                    'detector': ['NRS1'],
-                    'readout': ['NRSRAPID'],
-                    'subarray': ['FULL'],
-                    # info taken from ta_hdr dict
-                    'num_refstars': [12],
-                    'ta_status': ['SUCCESSFUL'],
-                    'status_rsn': ['-999'],
-                    'v2halffacet': [-0.27568],
-                    'v3halffacet': [0.10975],
-                    'v2msactr': [378.523987],
-                    'v3msactr': [-428.374481],
-                    'lsv2offset': [-999.0],
-                    'lsv3offset': [-999.0],
-                    'lsoffsetmag': [-999.0],
-                    'lsrolloffset': [-999.0],
-                    'lsv2sigma': [-999.0],
-                    'lsv3sigma': [-999.0],
-                    'lsiterations': [-999],
-                    'guidestarid': ['-999'],
-                    'guidestarx': [-999.0],
-                    'guidestary': [-999.0],
-                    'guidestarroll': [-999.0],
-                    'samx': [-999.0],
-                    'samy': [-999.0],
-                    'samroll': [-999.0],
-                    'stars_in_fit': [-999]
-                }
+        # info taken from main_hdr dict
+        'filename': ['jw09999001001_02101_00001_nrs1_uncal.fits'],
+        'date_obs': ['2022-06-22'],
+        'visit_id': ['V09999001001P0000000002101'],
+        'tafilter': ['F110W'],
+        'detector': ['NRS1'],
+        'readout': ['NRSRAPID'],
+        'subarray': ['FULL'],
+        # info taken from ta_hdr dict
+        'num_refstars': [12],
+        'ta_status': ['SUCCESSFUL'],
+        'status_rsn': ['-999'],
+        'v2halffacet': [-0.27568],
+        'v3halffacet': [0.10975],
+        'v2msactr': [378.523987],
+        'v3msactr': [-428.374481],
+        'lsv2offset': [-999.0],
+        'lsv3offset': [-999.0],
+        'lsoffsetmag': [-999.0],
+        'lsrolloffset': [-999.0],
+        'lsv2sigma': [-999.0],
+        'lsv3sigma': [-999.0],
+        'lsiterations': [-999],
+        'guidestarid': ['-999'],
+        'guidestarx': [-999.0],
+        'guidestary': [-999.0],
+        'guidestarroll': [-999.0],
+        'samx': [-999.0],
+        'samy': [-999.0],
+        'samroll': [-999.0],
+        'stars_in_fit': [-999]
+    }
     # add info from ta_table
     num_refstars = msata_dict['num_refstars'][0]
     msata_dict['box_peak_value'] = [[8000 for _ in range(num_refstars)]]
diff --git a/jwql/tests/test_permissions.py b/jwql/tests/test_permissions.py
index dd8878294..0fc6480d5 100755
--- a/jwql/tests/test_permissions.py
+++ b/jwql/tests/test_permissions.py
@@ -23,15 +23,11 @@
 import os
 import pytest
 
-from jwql.utils.permissions import set_permissions, has_permissions, \
-    get_owner_string, get_group_string
+from jwql.utils.permissions import set_permissions, has_permissions, get_owner_string, get_group_string
 
 # directory to be created and populated during tests running
 TEST_DIRECTORY = os.path.join(os.environ['HOME'], 'permission_test')
 
-# Determine if tests are being run on Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
 
 @pytest.fixture(scope="module")
 def test_directory(test_dir=TEST_DIRECTORY):
diff --git a/jwql/tests/test_pipeline_tools.py b/jwql/tests/test_pipeline_tools.py
index a79d687c8..ff072e0fb 100644
--- a/jwql/tests/test_pipeline_tools.py
+++ b/jwql/tests/test_pipeline_tools.py
@@ -24,13 +24,10 @@
 import numpy as np
 
 from jwql.instrument_monitors import pipeline_tools
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 from jwql.utils.utils import get_config
 
 
-# Determine if tests are being run on github actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
-
 @pytest.mark.skipif(ON_GITHUB_ACTIONS, reason='Requires access to central storage.')
 def test_completed_pipeline_steps():
     """Test that the list of completed pipeline steps for a file is
diff --git a/jwql/tests/test_preview_image.py b/jwql/tests/test_preview_image.py
index ce0a7de5a..001371c96 100644
--- a/jwql/tests/test_preview_image.py
+++ b/jwql/tests/test_preview_image.py
@@ -30,16 +30,9 @@
 from jwst.datamodels import dqflags
 
 from jwql.utils.preview_image import PreviewImage, crop_to_subarray
+from jwql.utils.constants import ON_GITHUB_ACTIONS, ON_READTHEDOCS
 from jwql.utils.utils import get_config, ensure_dir_exists
 
-# Determine if tests are being run on Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
-# Determine if the code is being run as part of a Readthedocs build
-ON_READTHEDOCS = False
-if 'READTHEDOCS' in os.environ:
-    ON_READTHEDOCS = os.environ['READTHEDOCS']
-
 
 def test_crop_to_subarray():
     """Test that the code correctly crops larger arrays down to
diff --git a/jwql/tests/test_protect_module.py b/jwql/tests/test_protect_module.py
index 3bcafa5c1..28af6cd86 100644
--- a/jwql/tests/test_protect_module.py
+++ b/jwql/tests/test_protect_module.py
@@ -21,11 +21,9 @@
 from jwql.utils import protect_module as pm
 
 from pytest import fixture, mark
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 from jwql.utils.protect_module import lock_module, _PID_LOCKFILE_KEY
 
-# Determine if tests are being run on Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
 
 @fixture
 def module_lock():
diff --git a/jwql/tests/test_readnoise_monitor.py b/jwql/tests/test_readnoise_monitor.py
index f27a193ba..77fdce3d8 100644
--- a/jwql/tests/test_readnoise_monitor.py
+++ b/jwql/tests/test_readnoise_monitor.py
@@ -27,10 +27,9 @@
 from jwql.database.database_interface import NIRCamReadnoiseQueryHistory, NIRCamReadnoiseStats, session
 from jwql.instrument_monitors.common_monitors import readnoise_monitor
 from jwql.tests.resources import has_test_db
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 from jwql.utils.utils import get_config
 
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
 
 def test_determine_pipeline_steps():
     """Test the correct pipeline steps are called"""
diff --git a/jwql/tests/test_utils.py b/jwql/tests/test_utils.py
index cd50c6a01..ecc34790b 100644
--- a/jwql/tests/test_utils.py
+++ b/jwql/tests/test_utils.py
@@ -26,13 +26,10 @@
 from bokeh.plotting import figure
 import numpy as np
 
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 from jwql.utils.utils import copy_files, get_config, filename_parser, filesystem_path, save_png, _validate_config
 
 
-# Determine if tests are being run on Github Actions
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
-
 FILENAME_PARSER_TEST_DATA = [
 
     # Test full path
diff --git a/jwql/tests/test_wata_monitor.py b/jwql/tests/test_wata_monitor.py
index 0b9099beb..91624147a 100644
--- a/jwql/tests/test_wata_monitor.py
+++ b/jwql/tests/test_wata_monitor.py
@@ -28,11 +28,10 @@
 
 from jwql.instrument_monitors.nirspec_monitors.ta_monitors.wata_monitor import WATA
 from jwql.database.database_interface import NIRSpecTAQueryHistory
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 from jwql.utils.utils import get_config, ensure_dir_exists
 from jwql.utils import monitor_utils, permissions
 
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
 # define the type of a Bokeh plot type
 bokeh_plot_type = type(figure())
 
@@ -50,48 +49,48 @@ def define_testdata():
     wata_data : pandas dataframe
     """
     wata_dict = {
-                    # info taken from main_hdr dict
-                    'filename': ['jw09999001001_02101_00001_nrs1_uncal.fits'],
-                    'date_obs': ['2022-06-22'],
-                    'visit_id': ['V09999001001P0000000002101'],
-                    'tafilter': ['F110W'],
-                    'detector': ['NRS1'],
-                    'readout': ['NRSRAPID'],
-                    'subarray': ['FULL'],
-                    # info taken from ta_hdr dict
-                    'ta_status': ['SUCCESSFUL'],
-                    'status_reason': ['-999'],
-                    'star_name': ['-999'],
-                    'star_ra': [-999.0],
-                    'star_dec': [-999.0],
-                    'star_mag': [-999.0],
-                    'star_catalog': [-999],
-                    'planned_v2': [-999.0],
-                    'planned_v3': [-999.0],
-                    'stamp_start_col': [-999],
-                    'stamp_start_row': [-999],
-                    'star_detector': ['-999'],
-                    'max_val_box': [-999.0],
-                    'max_val_box_col': [-999.0],
-                    'max_val_box_row': [-999.0],
-                    'iterations': [-999],
-                    'corr_col': [-999.0],
-                    'corr_row': [-999.0],
-                    'stamp_final_col': [-999.0],
-                    'stamp_final_row': [-999.0],
-                    'detector_final_col': [-999.0],
-                    'detector_final_row': [-999.0],
-                    'final_sci_x': [-999.0],
-                    'final_sci_y': [-999.0],
-                    'measured_v2': [-999.0],
-                    'measured_v3': [-999.0],
-                    'ref_v2': [-999.0],
-                    'ref_v3': [-999.0],
-                    'v2_offset': [-999.0],
-                    'v3_offset': [-999.0],
-                    'sam_x': [-999.0],
-                    'sam_y': [-999.0],
-                }
+        # info taken from main_hdr dict
+        'filename': ['jw09999001001_02101_00001_nrs1_uncal.fits'],
+        'date_obs': ['2022-06-22'],
+        'visit_id': ['V09999001001P0000000002101'],
+        'tafilter': ['F110W'],
+        'detector': ['NRS1'],
+        'readout': ['NRSRAPID'],
+        'subarray': ['FULL'],
+        # info taken from ta_hdr dict
+        'ta_status': ['SUCCESSFUL'],
+        'status_reason': ['-999'],
+        'star_name': ['-999'],
+        'star_ra': [-999.0],
+        'star_dec': [-999.0],
+        'star_mag': [-999.0],
+        'star_catalog': [-999],
+        'planned_v2': [-999.0],
+        'planned_v3': [-999.0],
+        'stamp_start_col': [-999],
+        'stamp_start_row': [-999],
+        'star_detector': ['-999'],
+        'max_val_box': [-999.0],
+        'max_val_box_col': [-999.0],
+        'max_val_box_row': [-999.0],
+        'iterations': [-999],
+        'corr_col': [-999.0],
+        'corr_row': [-999.0],
+        'stamp_final_col': [-999.0],
+        'stamp_final_row': [-999.0],
+        'detector_final_col': [-999.0],
+        'detector_final_row': [-999.0],
+        'final_sci_x': [-999.0],
+        'final_sci_y': [-999.0],
+        'measured_v2': [-999.0],
+        'measured_v3': [-999.0],
+        'ref_v2': [-999.0],
+        'ref_v3': [-999.0],
+        'v2_offset': [-999.0],
+        'v3_offset': [-999.0],
+        'sam_x': [-999.0],
+        'sam_y': [-999.0],
+    }
     # create the additional arrays
     bool_status, status_colors = [], []
     for tas, do_str in zip(wata_dict['ta_status'], wata_dict['date_obs']):
diff --git a/jwql/utils/constants.py b/jwql/utils/constants.py
index 9fcb790d0..d6791f489 100644
--- a/jwql/utils/constants.py
+++ b/jwql/utils/constants.py
@@ -30,6 +30,7 @@
 
 import asdf
 import inflection
+import os
 
 # Each amplifier is represented by 2 tuples, the first for x coordinates
 # and the second for y coordinates. Within each tuple are value for
@@ -721,6 +722,12 @@
 # Possible suffix types for AMI files
 NIRISS_AMI_SUFFIX_TYPES = ["amiavg", "aminorm", "ami", "psf-amiavg"]
 
+# Determine if the code is being run as part of CI checking on github
+ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
+
+# Determine if the code is being run as part of a Readthedocs build
+ON_READTHEDOCS = os.environ.get('READTHEDOCS', False)
+
 # Base name for the file listing the preview images for a given instrument.
 # The complete name will have "_{instrument.lower}.txt" added to the end of this.
 PREVIEW_IMAGE_LISTFILE = "preview_image_inventory"
@@ -921,7 +928,7 @@ class QueryConfigKeys:
     "nirspec": ['FULL'] + sorted(schema["properties"]["meta"]["properties"]["subarray"]["properties"]["name"]["anyOf"][6]['enum']),
     "miri": ['FULL'] + sorted(schema["properties"]["meta"]["properties"]["subarray"]["properties"]["name"]["anyOf"][1]['enum']),
     "fgs": ['FULL'] + sorted(schema["properties"]["meta"]["properties"]["subarray"]["properties"]["name"]["anyOf"][0]['enum'])
-    }
+}
 
 # Filename suffixes that need to include the association value in the suffix in
 # order to identify the preview image file. This should only be crf and crfints,
@@ -941,6 +948,15 @@ class QueryConfigKeys:
 # Possible suffix types for time-series exposures
 TIME_SERIES_SUFFIX_TYPES = ["phot", "whtlt"]
 
+# Instrument Documentation Links
+URL_DICT = {
+    "fgs": "https://jwst-docs.stsci.edu/jwst-observatory-hardware/jwst-fine-guidance-sensor",
+    "miri": "https://jwst-docs.stsci.edu/jwst-mid-infrared-instrument",
+    "niriss": "https://jwst-docs.stsci.edu/jwst-near-infrared-imager-and-slitless-spectrograph",
+    "nirspec": "https://jwst-docs.stsci.edu/jwst-near-infrared-spectrograph",
+    "nircam": "https://jwst-docs.stsci.edu/jwst-near-infrared-camera",
+}
+
 # Possible suffix types for WFS&C files
 WFSC_SUFFIX_TYPES = ["wfscmb"]
 
@@ -954,12 +970,3 @@ class QueryConfigKeys:
     + WFSC_SUFFIX_TYPES
     + MSA_SUFFIX
 )
-
-# Instrument Documentation Links
-URL_DICT = {
-    "fgs": "https://jwst-docs.stsci.edu/jwst-observatory-hardware/jwst-fine-guidance-sensor",
-    "miri": "https://jwst-docs.stsci.edu/jwst-mid-infrared-instrument",
-    "niriss": "https://jwst-docs.stsci.edu/jwst-near-infrared-imager-and-slitless-spectrograph",
-    "nirspec": "https://jwst-docs.stsci.edu/jwst-near-infrared-spectrograph",
-    "nircam": "https://jwst-docs.stsci.edu/jwst-near-infrared-camera",
-}
diff --git a/jwql/utils/mast_utils.py b/jwql/utils/mast_utils.py
index 6524a8c6a..446645800 100644
--- a/jwql/utils/mast_utils.py
+++ b/jwql/utils/mast_utils.py
@@ -24,12 +24,12 @@
 import pandas as pd
 
 from jwql.utils.constants import JWST_DATAPRODUCTS, JWST_INSTRUMENT_NAMES, JWST_INSTRUMENT_NAMES_MIXEDCASE, MAST_QUERY_LIMIT
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 from jwql.utils.permissions import set_permissions
 from jwql.utils.utils import ensure_dir_exists, get_config
 from jwql.utils.plotting import bar_chart
 
 
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
 if not ON_GITHUB_ACTIONS:
     Mast._portal_api_connection.MAST_REQUEST_URL = get_config()['mast_request_url']
 
diff --git a/jwql/utils/monitor_utils.py b/jwql/utils/monitor_utils.py
index f5c673cbd..49218c6fa 100644
--- a/jwql/utils/monitor_utils.py
+++ b/jwql/utils/monitor_utils.py
@@ -24,6 +24,7 @@
 
 from jwql.database.database_interface import Monitor, engine
 from jwql.utils.constants import ASIC_TEMPLATES, JWST_DATAPRODUCTS, MAST_QUERY_LIMIT
+from jwql.utils.constants import ON_GITHUB_ACTIONS, ON_READTHEDOCS
 from jwql.utils.logging_functions import configure_logging, get_log_status
 from jwql.utils import mast_utils
 from jwql.utils.utils import filename_parser
@@ -33,12 +34,6 @@
 # a MAST query.
 Mast._portal_api_connection.PAGESIZE = MAST_QUERY_LIMIT
 
-# Determine if the code is being run as part of a github action or Readthedocs build
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-ON_READTHEDOCS = False
-if 'READTHEDOCS' in os.environ:  # pragma: no cover
-    ON_READTHEDOCS = os.environ['READTHEDOCS']
-
 if not ON_GITHUB_ACTIONS and not ON_READTHEDOCS:
     # These lines are needed in order to use the Django models in a standalone
     # script (as opposed to code run as a result of a webpage request). If these
diff --git a/jwql/utils/preview_image.py b/jwql/utils/preview_image.py
index f86c10272..088996ab9 100755
--- a/jwql/utils/preview_image.py
+++ b/jwql/utils/preview_image.py
@@ -43,6 +43,7 @@
 import numpy as np
 
 from jwql.utils import permissions
+from jwql.utils.constants import ON_GITHUB_ACTIONS, ON_READTHEDOCS
 from jwql.utils.utils import get_config
 
 # Use the 'Agg' backend to avoid invoking $DISPLAY
@@ -52,17 +53,9 @@
 import matplotlib.colors as colors  # noqa
 from matplotlib.ticker import AutoMinorLocator  # noqa
 
-# Only import jwst if not running from readthedocs
-# Determine if the code is being run as part of a Readthedocs build
-ON_READTHEDOCS = False
-if 'READTHEDOCS' in os.environ:
-    ON_READTHEDOCS = os.environ['READTHEDOCS']
-
 if not ON_READTHEDOCS:
     from jwst.datamodels import dqflags
 
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
 if not ON_GITHUB_ACTIONS and not ON_READTHEDOCS:
     CONFIGS = get_config()
 
@@ -763,6 +756,7 @@ def expand_for_i2d(array, xdim, ydim):
     else:
         return array
 
+
 def nan_to_zero(image):
     """Set any pixels with a value of NaN to zero
 
diff --git a/jwql/utils/utils.py b/jwql/utils/utils.py
index e9db05557..b5d2e5a46 100644
--- a/jwql/utils/utils.py
+++ b/jwql/utils/utils.py
@@ -53,12 +53,9 @@
     FILE_GUIDESTAR_ATTMPT_LEN_MAX, FILE_OBS_LEN, FILE_PARALLEL_SEQ_ID_LEN, \
     FILE_PROG_ID_LEN, FILE_SEG_LEN, FILE_SOURCE_ID_LEN, FILE_SUFFIX_TYPES, \
     FILE_TARG_ID_LEN, FILE_VISIT_GRP_LEN, FILE_VISIT_LEN, FILETYPE_WO_STANDARD_SUFFIX, \
-    JWST_INSTRUMENT_NAMES_SHORTHAND
-
+    JWST_INSTRUMENT_NAMES_SHORTHAND, ON_GITHUB_ACTIONS
 __location__ = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
 
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
 
 def _validate_config(config_file_dict):
     """Check that the config.json file contains all the needed entries with
diff --git a/jwql/website/apps/jwql/data_containers.py b/jwql/website/apps/jwql/data_containers.py
index db6fba1fd..5acd4fe87 100644
--- a/jwql/website/apps/jwql/data_containers.py
+++ b/jwql/website/apps/jwql/data_containers.py
@@ -59,6 +59,7 @@
 from jwql.utils.constants import JWST_INSTRUMENT_NAMES_MIXEDCASE, JWST_INSTRUMENT_NAMES
 from jwql.utils.constants import REPORT_KEYS_PER_INSTRUMENT
 from jwql.utils.constants import SUFFIXES_TO_ADD_ASSOCIATION, SUFFIXES_WITH_AVERAGED_INTS, QueryConfigKeys
+from jwql.utils.constants import ON_GITHUB_ACTIONS, ON_READTHEDOCS
 from jwql.utils.credentials import get_mast_token
 from jwql.utils.permissions import set_permissions
 from jwql.utils.utils import get_rootnames_for_instrument_proposal
@@ -68,15 +69,6 @@
 # a MAST query.
 Mast._portal_api_connection.PAGESIZE = MAST_QUERY_LIMIT
 
-# astroquery.mast import that depends on value of auth_mast
-# this import has to be made before any other import of astroquery.mast
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~') or '/Users/runner' in os.path.expanduser('~')
-
-# Determine if the code is being run as part of a Readthedocs build
-ON_READTHEDOCS = False
-if 'READTHEDOCS' in os.environ:  # pragma: no cover
-    ON_READTHEDOCS = os.environ['READTHEDOCS']
-
 
 if not ON_GITHUB_ACTIONS and not ON_READTHEDOCS:
     # These lines are needed in order to use the Django models in a standalone
@@ -412,8 +404,7 @@ def get_available_suffixes(all_suffixes, return_untracked=True):
     untracked_suffixes = set(all_suffixes)
     for poss_suffix in EXPOSURE_PAGE_SUFFIX_ORDER:
         if 'crf' not in poss_suffix:
-            if (poss_suffix in all_suffixes
-            and poss_suffix not in suffixes):
+            if (poss_suffix in all_suffixes and poss_suffix not in suffixes):
                 suffixes.append(poss_suffix)
                 untracked_suffixes.remove(poss_suffix)
         else:
@@ -423,8 +414,7 @@ def get_available_suffixes(all_suffixes, return_untracked=True):
             # So in this case, we strip the e.g. o001 from the
             # suffixes and check which list elements match.
             for image_suffix in all_suffixes:
-                if (image_suffix.endswith(poss_suffix)
-                and image_suffix not in suffixes):
+                if (image_suffix.endswith(poss_suffix) and image_suffix not in suffixes):
                     suffixes.append(image_suffix)
                     untracked_suffixes.remove(image_suffix)
 
diff --git a/jwql/website/apps/jwql/tests/test_context_processors.py b/jwql/website/apps/jwql/tests/test_context_processors.py
index 1d4fc5951..b1ed31510 100644
--- a/jwql/website/apps/jwql/tests/test_context_processors.py
+++ b/jwql/website/apps/jwql/tests/test_context_processors.py
@@ -24,7 +24,7 @@
 import os
 from unittest import skipIf
 
-ON_GITHUB_ACTIONS = '/home/runner' in os.path.expanduser('~')
+from jwql.utils.constants import ON_GITHUB_ACTIONS
 
 if not ON_GITHUB_ACTIONS:
     from jwql.website.apps.jwql import context_processors