Separate collections from collections.abc3.7_collections

1 files changed, 2 insertions, 3 deletions

diff --git a/requests/utils.py b/requests/utils.py
index 07f8c7f7..431f6be0 100644
--- a/requests/utils.py
+++ b/requests/utils.py
@@ -9,7 +9,6 @@ that are also useful for external consumption.
 """
 
 import codecs
-import collections
 import contextlib
 import io
 import os
@@ -29,7 +28,7 @@ from .compat import parse_http_list as _parse_list_header
 from .compat import (
     quote, urlparse, bytes, str, OrderedDict, unquote, getproxies,
     proxy_bypass, urlunparse, basestring, integer_types, is_py3,
-    proxy_bypass_environment, getproxies_environment)
+    proxy_bypass_environment, getproxies_environment, Mapping)
 from .cookies import cookiejar_from_dict
 from .structures import CaseInsensitiveDict
 from .exceptions import (
@@ -301,7 +300,7 @@ def to_key_val_list(value):
     if isinstance(value, (str, bytes, bool, int)):
         raise ValueError('cannot encode objects that are not 2-tuples')
 
-    if isinstance(value, collections.Mapping):
+    if isinstance(value, Mapping):
         value = value.items()
 
     return list(value)