CLN: Checking is_dict_like instead of is abc.Mapping

Author: ohad83

pandas/core/base.py

@@ -2,7 +2,7 @@
 Base and utility classes for pandas objects.
 """
 import builtins
-from collections import OrderedDict, abc
+from collections import OrderedDict
 import textwrap
 from typing import Dict, FrozenSet, List, Optional
 import warnings
@@ -22,6 +22,7 @@
     is_datetime64_ns_dtype,
     is_datetime64tz_dtype,
     is_extension_array_dtype,
+    is_dict_like,
     is_list_like,
     is_object_dtype,
     is_scalar,
@@ -1215,7 +1216,7 @@ def _map_values(self, mapper, na_action=None):
         # we can fastpath dict/Series to an efficient map
         # as we know that we are not going to have to yield
         # python types
-        if isinstance(mapper, abc.Mapping):
+        if is_dict_like(mapper):
             if isinstance(mapper, dict) and hasattr(mapper, "__missing__"):
                 # If a dictionary subclass defines a default value method,
                 # convert mapper to a lookup function (GH #15999).

pandas/core/series.py

@@ -1,7 +1,6 @@
 """
 Data structure for 1-dimensional cross-sectional and time series data
 """
-from collections import abc
 from io import StringIO
 from shutil import get_terminal_size
 from textwrap import dedent
@@ -254,7 +253,7 @@ def __init__(
                 else:
                     data = data.reindex(index, copy=copy)
                 data = data._data
-            elif isinstance(data, abc.Mapping):
+            elif is_dict_like(data):
                 data, index = self._init_dict(data, index, dtype)
                 dtype = None
                 copy = False