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

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

.github/workflows/ci.yml

@@ -41,6 +41,9 @@ jobs:
           environment-file: ci/environment.yml
           python-version: ${{ matrix.python }}
           miniforge-version: latest
+      - uses: julia-actions/setup-julia@v1.9
+        with:
+          version: '1.10'
       - name: Install package
         run: |
           pip install -e .[tests,finch]

sparse/finch_backend/__init__.py

@@ -1,9 +1,9 @@
 try:
-    import finch
+    import finch  # noqa: F401
 except ModuleNotFoundError:
-    raise ImportError("Finch not installed. Run `pip install sparse[finch]` to enable Finch backend")
+    raise ImportError("Finch not installed. Run `pip install sparse[finch]` to enable Finch backend") from None
 
-from finch import Tensor, permute_dims, astype
+from finch import Tensor, astype, permute_dims
 
 __all__ = ["Tensor", "permute_dims", "astype"]
 

sparse/tests/conftest.py

@@ -0,0 +1,9 @@
+import sparse
+
+import pytest
+
+
+@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

@@ -1,9 +1,9 @@
 import sparse
-import scipy.sparse as sp
-import numpy as np
+
 import pytest
 
 import numpy as np
+import scipy.sparse as sp
 
 
 def test_backend_contex_manager(backend):
@@ -19,7 +19,6 @@ def test_finch_backend():
     sp_arr = sp.csr_matrix(np_eye)
 
     with sparse.Backend(backend=sparse.BackendType.finch):
-
         finch_dense = sparse.Tensor(np_eye)
 
         assert np.shares_memory(finch_dense.todense(), np_eye)