leave out index.to_frame name for now

Author: MarcoGorelli

pandas-stubs/core/indexes/base.pyi

@@ -285,7 +285,7 @@ class Index(IndexOpsMixin[S1]):
     ) -> list[_str]: ...
     def to_flat_index(self): ...
     def to_series(self, index=..., name: Hashable = ...) -> Series: ...
-    def to_frame(self, index: bool = ..., name: Hashable = ...) -> DataFrame: ...
+    def to_frame(self, index: bool = ..., name=...) -> DataFrame: ...
     @property
     def name(self): ...
     @name.setter