[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

sparse/__init__.py

@@ -4,24 +4,24 @@
 
 from ._version import __version__, __version_tuple__  # noqa: F401
 
-
 __array_api_version__ = "2022.12"
 
+
 class BackendType(Enum):
-    pydata = "PyData"
-    finch = "Finch"
+    PyData = "PyData"
+    Finch = "Finch"
 
 
 _ENV_VAR_NAME = "SPARSE_BACKEND"
 
-backend_var = ContextVar("backend", default=BackendType.pydata)
+backend_var = ContextVar("backend", default=BackendType.PyData)
 
 if _ENV_VAR_NAME in os.environ:
     backend_var.set(BackendType[os.environ[_ENV_VAR_NAME]])
 
 
 class Backend:
-    def __init__(self, backend=BackendType.pydata):
+    def __init__(self, backend=BackendType.PyData):
         self.backend = backend
         self.token = None
 
@@ -36,9 +36,9 @@ def __exit__(self, exc_type, exc_value, traceback):
     @staticmethod
     def get_backend_module():
         backend = backend_var.get()
-        if backend == BackendType.pydata:
+        if backend == BackendType.PyData:
             import sparse.pydata_backend as backend_module
-        elif backend == BackendType.finch:
+        elif backend == BackendType.Finch:
             import sparse.finch_backend as backend_module
         else:
             raise ValueError(f"Invalid backend identifier: {backend}")

sparse/tests/conftest.py

@@ -3,7 +3,7 @@
 import pytest
 
 
-@pytest.fixture(scope="session", params=[sparse.BackendType.pydata, sparse.BackendType.finch])
+@pytest.fixture(scope="session", params=[sparse.BackendType.PyData, sparse.BackendType.Finch])
 def backend(request):
     with sparse.Backend(backend=request.param):
         yield request.param

sparse/tests/test_backends.py

@@ -6,7 +6,7 @@
 
 
 def test_backend_contex_manager(backend):
-    if backend == sparse.BackendType.finch:
+    if backend == sparse.BackendType.Finch:
         with pytest.raises(NotImplementedError):
             sparse.COO.from_numpy(np.eye(5))
     else: