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

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Author: pre-commit-ci[bot]

doc/en/example/simple.rst

@@ -435,8 +435,8 @@ in your code flow, ``"pytest" in sys.modules`` will return True even if your cod
 
     def is_called_from_test_by_pytest():
         return "pytest" in sys.modules
-    
-    
+
+
     # This method above will return True even if your code is not actually running from within a pytest run
     # as there is a pytest import in your code flow