#37924 follow up (#38899)

Author: tonyyyyip

pandas/core/series.py

@@ -2067,7 +2067,7 @@ def idxmin(self, axis=0, skipna=True, *args, **kwargs):
         >>> s.idxmin(skipna=False)
         nan
         """
-        i = self.argmin(None, skipna=skipna)
+        i = self.argmin(axis, skipna, *args, **kwargs)
         if i == -1:
             return np.nan
         return self.index[i]
@@ -2137,7 +2137,7 @@ def idxmax(self, axis=0, skipna=True, *args, **kwargs):
         >>> s.idxmax(skipna=False)
         nan
         """
-        i = self.argmax(None, skipna=skipna)
+        i = self.argmax(axis, skipna, *args, **kwargs)
         if i == -1:
             return np.nan
         return self.index[i]