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

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Author: pre-commit-ci[bot]

src/pytest/__init__.py

@@ -173,6 +173,6 @@ def __getattr__(name: str) -> object:
         if name == "Instance":
             # The import emits a deprecation warning.
             from _pytest.python import Instance
-    
+
             return Instance
         raise AttributeError(f"module {__name__} has no attribute {name}")