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Avoid DeprecationWarning about ABC in Python 3.x #1354

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Merged
sloria merged 1 commit into from
Aug 20, 2019
Merged

Avoid DeprecationWarning about ABC in Python 3.x #1354

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6 changes: 2 additions & 4 deletions src/marshmallow/marshalling.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,10 +10,8 @@

from __future__ import unicode_literals

import collections

from marshmallow.utils import is_collection, missing, set_value
from marshmallow.compat import text_type, iteritems
from marshmallow.compat import text_type, iteritems, Mapping
from marshmallow.exceptions import (
ValidationError,
)
Expand Down Expand Up @@ -250,7 +248,7 @@ def deserialize(self, data, fields_dict, many=False, partial=False,

ret = dict_class()

if not isinstance(data, collections.Mapping):
if not isinstance(data, Mapping):
errors = self.get_errors(index=index)
msg = 'Invalid input type.'
self.error_field_names = [SCHEMA]
Expand Down