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Diffstat (limited to 'lib/sqlalchemy/sql/expression.py')
| -rw-r--r-- | lib/sqlalchemy/sql/expression.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py index f5ec41a60..c9647e1bd 100644 --- a/lib/sqlalchemy/sql/expression.py +++ b/lib/sqlalchemy/sql/expression.py @@ -3704,11 +3704,11 @@ class _Over(ColumnElement): @property def _from_objects(self): - return itertools.chain( + return list(itertools.chain( *[c._from_objects for c in (self.func, self.partition_by, self.order_by) if c is not None] - ) + )) class _Label(ColumnElement): """Represents a column label (AS). |