Merge pull request pandas-dev#9 from pyfra/new_err_mypy

New err mypy

Author: dl-lim

pandas/core/dtypes/dtypes.py

@@ -2130,9 +2130,11 @@ def _get_common_dtype(self, dtypes: list[DtypeObj]) -> DtypeObj | None:
                 PerformanceWarning,
                 stacklevel=find_stack_level(),
             )
-
         np_dtypes = (x.subtype if isinstance(x, SparseDtype) else x for x in dtypes)
-        return SparseDtype(np_find_common_type(*np_dtypes), fill_value=fill_value)
+        # error: Argument 1 to "np_find_common_type" has incompatible type 
+        # "*Generator[Any | dtype[Any] | ExtensionDtype, None, None]"; 
+        # expected "dtype[Any]"  [arg-type]
+        return SparseDtype(np_find_common_type(*np_dtypes), fill_value=fill_value) # type: ignore [arg-type]
 
 
 @register_extension_dtype

pandas/plotting/_core.py

@@ -1038,7 +1038,9 @@ def __call__(self, *args, **kwargs):
                     label_name = label_kw or y
                     data.name = label_name
                 else:
-                    match = is_list_like(label_kw) and len(label_kw) == len(y)
+                    # error: Argument 1 to "len" has incompatible type "Any | bool"; 
+                    # expected "Sized"  [arg-type]
+                    match = is_list_like(label_kw) and len(label_kw) == len(y) # type: ignore[arg-type]
                     if label_kw and not match:
                         raise ValueError(
                             "label should be list-like and same length as y"