TYP: use Shape alias in core/internals/managers.py

Author: arw2019

pandas/core/internals/managers.py

@@ -17,7 +17,7 @@
 import numpy as np
 
 from pandas._libs import internals as libinternals, lib
-from pandas._typing import ArrayLike, DtypeObj, Label
+from pandas._typing import ArrayLike, DtypeObj, Label, Shape
 from pandas.util._validators import validate_bool_kwarg
 
 from pandas.core.dtypes.cast import (
@@ -204,7 +204,7 @@ def __nonzero__(self) -> bool:
     __bool__ = __nonzero__
 
     @property
-    def shape(self) -> Tuple[int, ...]:
+    def shape(self) -> Shape:
         return tuple(len(ax) for ax in self.axes)
 
     @property
@@ -1825,7 +1825,7 @@ def _asarray_compat(x):
         else:
             return np.asarray(x)
 
-    def _shape_compat(x):
+    def _shape_compat(x) -> Shape:
         if isinstance(x, ABCSeries):
             return (len(x),)
         else: