diff --git a/rest_framework/compat.py b/rest_framework/compat.py
index 1d34828bdc..061e7a4e9c 100644
--- a/rest_framework/compat.py
+++ b/rest_framework/compat.py
@@ -12,10 +12,10 @@
try:
# Python 3
- from collections.abc import Mapping # noqa
+ from collections.abc import Mapping, MutableMapping # noqa
except ImportError:
# Python 2.7
- from collections import Mapping # noqa
+ from collections import Mapping, MutableMapping # noqa
try:
# Python 3
diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index 70c210c162..b451f8fefa 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -1,6 +1,5 @@
from __future__ import unicode_literals
-import collections
import copy
import datetime
import decimal
@@ -33,7 +32,7 @@
from rest_framework import ISO_8601
from rest_framework.compat import (
- MaxLengthValidator, MaxValueValidator, MinLengthValidator,
+ Mapping, MaxLengthValidator, MaxValueValidator, MinLengthValidator,
MinValueValidator, ProhibitNullCharactersValidator, unicode_repr,
unicode_to_repr
)
@@ -96,7 +95,7 @@ def get_attribute(instance, attrs):
"""
for attr in attrs:
try:
- if isinstance(instance, collections.Mapping):
+ if isinstance(instance, Mapping):
instance = instance[attr]
else:
instance = getattr(instance, attr)
@@ -1661,7 +1660,7 @@ def to_internal_value(self, data):
"""
if html.is_html_input(data):
data = html.parse_html_list(data, default=[])
- if isinstance(data, type('')) or isinstance(data, collections.Mapping) or not hasattr(data, '__iter__'):
+ if isinstance(data, type('')) or isinstance(data, Mapping) or not hasattr(data, '__iter__'):
self.fail('not_a_list', input_type=type(data).__name__)
if not self.allow_empty and len(data) == 0:
self.fail('empty')
diff --git a/rest_framework/utils/serializer_helpers.py b/rest_framework/utils/serializer_helpers.py
index 6b662a66ca..c24e51d091 100644
--- a/rest_framework/utils/serializer_helpers.py
+++ b/rest_framework/utils/serializer_helpers.py
@@ -1,11 +1,10 @@
from __future__ import unicode_literals
-import collections
from collections import OrderedDict
from django.utils.encoding import force_text
-from rest_framework.compat import unicode_to_repr
+from rest_framework.compat import MutableMapping, unicode_to_repr
from rest_framework.utils import json
@@ -130,7 +129,7 @@ def as_form_field(self):
return self.__class__(self._field, values, self.errors, self._prefix)
-class BindingDict(collections.MutableMapping):
+class BindingDict(MutableMapping):
"""
This dict-like object is used to store fields on a serializer.
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