Exclude collections.Mapping from allowable data types in ListField

This commit is contained in:
Dawn Pattison 2015-10-20 08:56:39 -04:00
parent dac1637bb3
commit 8fa7c5c914

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@ -1461,7 +1461,7 @@ class ListField(Field):
"""
if html.is_html_input(data):
data = html.parse_html_list(data)
if not isinstance(data, (list, tuple, set)):
if isinstance(data, type('')) or isinstance(data, collections.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')