Update hypothesis-python/src/hypothesis/core.py

Author: rsokl

hypothesis-python/src/hypothesis/core.py

@@ -168,7 +168,7 @@ def xfail(
         condition: bool = True,
         *,
         reason: str = "",
-        raises: Union[Type[BaseException], Tuple[BaseException, ...]] = BaseException,
+        raises: Union[Type[BaseException], Tuple[Type[BaseException], ...]] = BaseException,
     ) -> "example":
         """Mark this example as an expected failure, like pytest.mark.xfail().