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-rw-r--r--lib/sqlalchemy/sql/elements.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/elements.py b/lib/sqlalchemy/sql/elements.py
index 6114460dc..6cbf583cc 100644
--- a/lib/sqlalchemy/sql/elements.py
+++ b/lib/sqlalchemy/sql/elements.py
@@ -3276,6 +3276,9 @@ class _defer_name(_truncated_label):
else:
return super(_defer_name, cls).__new__(cls, value)
+ def __reduce__(self):
+ return self.__class__, (util.text_type(self), )
+
class _defer_none_name(_defer_name):
"""indicate a 'deferred' name that was ultimately the value None."""