fix mypy

NicolasHug · NicolasHug · commit 827c5b5899da · 2021-01-17T15:37:59.000Z
diff --git a/pandas/plotting/_matplotlib/core.py b/pandas/plotting/_matplotlib/core.py
@@ -213,7 +213,7 @@ def __init__(
 
     def _validate_subplots_kwarg(
         self, subplots: Union[bool, Sequence[Sequence[str]]]
-    ) -> Union[bool, List[Tuple[int]]]:
+    ) -> Union[bool, List[Tuple[int, ...]]]:
         """
         Validate the subplots parameter
 
