DOC: pandas.Index.astype says it raises ValueError instead of TypeError pandas-dev#37012

Author: coelhudo

pandas/core/indexes/base.py

@@ -652,7 +652,7 @@ def astype(self, dtype, copy=True):
         Create an Index with values cast to dtypes.
 
         The class of a new Index is determined by dtype. When conversion is
-        impossible, a ValueError exception is raised.
+        impossible, a TypeError exception is raised.
 
         Parameters
         ----------