diff options
Diffstat (limited to 'django/db/models/sql')
| -rw-r--r-- | django/db/models/sql/where.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/django/db/models/sql/where.py b/django/db/models/sql/where.py index 0bc3638b80..5515bc4f83 100644 --- a/django/db/models/sql/where.py +++ b/django/db/models/sql/where.py @@ -4,6 +4,7 @@ Code to manage the creation and SQL rendering of 'where' constraints. from __future__ import absolute_import +import collections import datetime from itertools import repeat @@ -49,7 +50,7 @@ class WhereNode(tree.Node): return obj, lookup_type, value = data - if hasattr(value, '__iter__') and hasattr(value, 'next'): + if isinstance(value, collections.Iterator): # Consume any generators immediately, so that we can determine # emptiness and transform any non-empty values correctly. value = list(value) |