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-rw-r--r--lib/sqlalchemy/sql/expression.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py
index 187b38a2c..4eb555d4d 100644
--- a/lib/sqlalchemy/sql/expression.py
+++ b/lib/sqlalchemy/sql/expression.py
@@ -26,7 +26,7 @@ to stay the same in future releases.
"""
import datetime, re
-from itertools import chain
+import itertools
from sqlalchemy import util, exceptions
from sqlalchemy.sql import operators, visitors
from sqlalchemy import types as sqltypes
@@ -2349,7 +2349,7 @@ class Join(FromClause):
return self.select(use_labels=True, correlate=False).alias(name)
def _hide_froms(self):
- return chain(*[x.left._get_from_objects() + x.right._get_from_objects() for x in self._cloned_set])
+ return itertools.chain(*[x.left._get_from_objects() + x.right._get_from_objects() for x in self._cloned_set])
_hide_froms = property(_hide_froms)
def _get_from_objects(self, **modifiers):