replaced InvalidIndexError class

Author: anmyachev

pandas/core/base.py

@@ -33,6 +33,10 @@
                             unique='IndexOpsMixin', duplicated='IndexOpsMixin')
 
 
+class InvalidIndexError(Exception):
+    pass
+
+
 class StringMixin(object):
     """implements string methods so long as object defines a `__unicode__`
     method.

pandas/core/indexes/base.py

@@ -37,7 +37,7 @@
 from pandas.core.accessor import CachedAccessor, DirNamesMixin
 import pandas.core.algorithms as algos
 from pandas.core.arrays import ExtensionArray
-from pandas.core.base import IndexOpsMixin, PandasObject
+from pandas.core.base import IndexOpsMixin, PandasObject, InvalidIndexError
 import pandas.core.common as com
 from pandas.core.indexes.frozen import FrozenList
 import pandas.core.missing as missing
@@ -143,10 +143,6 @@ def index_arithmetic_method(self, other):
     return set_function_name(index_arithmetic_method, name, cls)
 
 
-class InvalidIndexError(Exception):
-    pass
-
-
 _o_dtype = np.dtype(object)
 _Identity = object