chore: ignore coverage on return __all__

Signed-off-by: Henry Schreiner <[email protected]>

pyproject.toml

@@ -84,6 +84,9 @@ testpaths = [
 
 [tool.coverage]
 run.source = ["check_sdist"]
+report.exclude_also = [
+    "return __all__",
+]
 
 
 [tool.mypy]

tests/test_package.py

@@ -259,5 +259,5 @@ def test_unknown_backend():
 
     subprocess.run(["git", "add", "."], check=True)
     subprocess.run(["git", "commit", "-m", "Initial commit"], check=True)
-    with pytest.raises(ValueError, match="Unknown backend: unknown") as excinfo:
+    with pytest.raises(ValueError, match="Unknown backend: unknown"):
         compare(Path(), isolated=True, verbose=True)