fix

Author: aaronzo

src/_pytest/recwarn.py

@@ -265,7 +265,7 @@ def __enter__(self) -> Self:
                 if isinstance(message, str):
                     kw.update(message=message)
                 if module is not None:
-                    module = cast(str, re.Pattern, module)
+                    module = cast(str | re.Pattern, module)
                     if isinstance(module, re.Pattern):
                         module = getattr(module, "pattern", None)
                     if isinstance(module, str):