Revert "CLN - Better way to import from collections.abc"

This reverts commit 5fe4140.
Apparently it's an unwanted pattern checked for by code_checks.sh (from
collections.abc import)

Author: ohad83

pandas/core/base.py

@@ -2,8 +2,7 @@
 Base and utility classes for pandas objects.
 """
 import builtins
-from collections import OrderedDict
-from collections.abc import Mapping
+from collections import OrderedDict, abc
 import textwrap
 from typing import Dict, FrozenSet, List, Optional
 import warnings
@@ -1123,7 +1122,7 @@ 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, Mapping):
+        if isinstance(mapper, abc.Mapping):
             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 +1,7 @@
 """
 Data structure for 1-dimensional cross-sectional and time series data
 """
-from collections.abc import Mapping
+from collections import abc
 from io import StringIO
 from shutil import get_terminal_size
 from textwrap import dedent
@@ -246,7 +246,7 @@ def __init__(
                 else:
                     data = data.reindex(index, copy=copy)
                 data = data._data
-            elif isinstance(data, Mapping):
+            elif isinstance(data, abc.Mapping):
                 data, index = self._init_dict(data, index, dtype)
                 dtype = None
                 copy = False
@@ -3421,7 +3421,7 @@ def map(self, arg, na_action=None):
 
         Parameters
         ----------
-        arg : function, collections.abc.Mapping subclass or Series
+        arg : function, colletions.abc.Mapping subclass or Series
             Mapping correspondence.
         na_action : {None, 'ignore'}, default None
             If 'ignore', propagate NaN values, without passing them to the