TYP: remove redundant bool from IndexLabel type

ivanovmg · ivanovmg · commit b7dae1124b46 · 2020-09-06T01:58:40.000+07:00
diff --git a/pandas/_typing.py b/pandas/_typing.py
@@ -83,7 +83,7 @@
 
 Axis = Union[str, int]
 Label = Optional[Hashable]
-IndexLabel = Optional[Union[bool, str, Sequence[Label]]]
+IndexLabel = Optional[Union[Label, Sequence[Label]]]
 Level = Union[Label, int]
 Ordered = Optional[bool]
 JSONSerializable = Optional[Union[PythonScalar, List, Dict]]
