CLN: temporary work around for buffer error in python3 (GH14468)

Author: brmc

pandas/core/base.py

@@ -7,7 +7,7 @@
 from pandas.compat import builtins
 import numpy as np
 
-from pandas.types.hinting import ArrayLike, PythonScalar, Scalar
+from pandas.types.hinting import ArrayLike, PythonScalar, Scalar, Buffer
 from pandas.types.missing import isnull
 from pandas.types.generic import ABCDataFrame, ABCSeries, ABCIndexClass
 from pandas.types.common import is_object_dtype, is_list_like, is_scalar
@@ -741,7 +741,7 @@ def item(self):
 
     @property
     def data(self):
-        # type: () -> buffer
+        # type: () -> Buffer
         """ return the data pointer of the underlying data """
         return self.values.data
 

pandas/types/hinting.py

@@ -2,8 +2,9 @@
 # -*- coding: utf-8 -*-
 import numpy as np
 
-from typing import TypeVar, AnyStr
+from typing import TypeVar, AnyStr, Any
 
-ArrayLike = TypeVar('ArrayLike', buffer, list, dict, np.array)
+Buffer = TypeVar('Buffer', Any)
+ArrayLike = TypeVar('ArrayLike', Buffer, list, dict, np.array)
 Scalar = TypeVar('Scalar', int, float)
 PythonScalar = TypeVar('PythonScalar', int, float, AnyStr)