use self.tag rather than self.tags

rollbar/__init__.py

@@ -1692,23 +1692,23 @@ class _TagManager(object):
     """
     Context manager object that interfaces with the `_tags` stack:
 
-        On enter, puts the tag object at top of the stack.
+        On enter, puts the tags at top of the stack.
         On exit, pops off the top element of the stack.
-          - If there is an exception, attach the tag object to the exception
+          - If there is an exception, attach the tags to the exception
             for rebuilding of the `_tags` stack before reporting.
     """
-    def __init__(self, tag):
-        self.tag = tag
+    def __init__(self, tags):
+        self.tags = tags
 
     def __enter__(self):
-        _tags.append(self.tag)
+        _tags.append(self.tags)
 
     def __exit__(self, exc_type, exc_value, traceback):
 
         if exc_value:
             if not hasattr(exc_value, '_rollbar_tags'):
                 exc_value._rollbar_tags = []
 
-            exc_value._rollbar_tags.append(self.tag)
+            exc_value._rollbar_tags.append(self.tags)
 
         _tags.pop()

rollbar/test/test_feature_flag_context_manager.py

@@ -23,7 +23,7 @@ def setUp(self):
     def test_feature_flag_generates_correct_tag_payload(self):
         cm = rollbar.feature_flag('feature-foo', variation=True, user='atran@rollbar.com')
 
-        tags = cm.tag
+        tags = cm.tags
         self.assertEqual(len(tags), 3)
 
         key, variation, user = tags