fixups

Author: WillAyd

pandas/core/generic.py

@@ -927,14 +927,14 @@ def swaplevel(self: FrameOrSeries, i=-2, j=-1, axis=0) -> FrameOrSeries:
     def rename(
         self,
         mapper: Optional[
-            Union[Mapping[Hashable, Hashable], Callable[[Hashable], Hashable]]
+            Union[Mapping[Hashable, Any], Callable[[Hashable], Hashable]]
         ] = None,
         *,
         index: Optional[
-            Union[Mapping[Hashable, Hashable], Callable[[Hashable], Hashable]]
+            Union[Mapping[Hashable, Any], Callable[[Hashable], Hashable]]
         ] = None,
         columns: Optional[
-            Union[Mapping[Hashable, Hashable], Callable[[Hashable], Hashable]]
+            Union[Mapping[Hashable, Any], Callable[[Hashable], Hashable]]
         ] = None,
         axis: Optional[Axis] = None,
         copy: bool = True,
@@ -1079,16 +1079,16 @@ def rename(
             if replacements is None:
                 continue
 
-            axis = self._get_axis(axis_no)
+            ax = self._get_axis(axis_no)
             baxis = self._get_block_manager_axis(axis_no)
             f = com.get_rename_function(replacements)
 
             if level is not None:
-                level = axis._get_level_number(level)
+                level = ax._get_level_number(level)
 
             # GH 13473
             if not callable(replacements):
-                indexer = axis.get_indexer_for(replacements)
+                indexer = ax.get_indexer_for(replacements)
                 if errors == "raise" and len(indexer[indexer == -1]):
                     missing_labels = [
                         label

pandas/core/series.py

@@ -3895,16 +3895,14 @@ def align(
 
     def rename(
         self,
-        index: Optional[
-            Union[Hashable, Mapping[Hashable, Hashable], Callable[[Hashable], Hashable]]
-        ] = None,
+            index = None,
         *,
-        axis: Optional[Axis] = None,
-        copy: bool = True,
-        inplace: bool = False,
-        level: Optional[Level] = None,
-        errors: str = "ignore",
-    ) -> "Series":
+        axis=None,
+        copy=True,
+        inplace=False,
+        level=None,
+        errors="ignore",
+    ):
         """
         Alter Series index labels or name.