Adjusts imports for collections deprecations

_modules/win_lgpo_ash.py

@@ -19,7 +19,6 @@
 from __future__ import (absolute_import, division, print_function,
                         unicode_literals, with_statement)
 
-import collections
 import logging
 import io
 import os
@@ -28,6 +27,11 @@
 from salt.exceptions import CommandExecutionError, SaltInvocationError
 from salt.modules.win_lgpo import HAS_WINDOWS_MODULES
 
+try:
+    from collections.abc import Sequence, Mapping
+except ImportError:
+    from collections import Sequence, Mapping
+
 try:
     from salt.utils.files import mkstemp
 except ImportError:
@@ -588,10 +592,10 @@ def validate_policies(policies):
     """
     ret = {}
     policy_helper = PolicyHelper()
-    if not isinstance(policies, collections.Sequence):
+    if not isinstance(policies, Sequence):
         policies = [policies]
     for policy in policies:
-        if not isinstance(policy, collections.Mapping):
+        if not isinstance(policy, Mapping):
             return False, 'Policy is not a dictionary object', policy
         policy_type = policy.get('policy_type', '').lower()
         try: