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-rw-r--r--django/db/models/sql/query.py1
1 files changed, 0 insertions, 1 deletions
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index f0845cd73a..17dc5e9920 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -789,7 +789,6 @@ class Query(object):
relabelling any references to them in select columns and the where
clause.
"""
- assert set(change_map.keys()).intersection(set(change_map.values())) == set()
def relabel_column(col):
if isinstance(col, (list, tuple)):