Fixed #24521 -- Added support for serializing frozensets in migrations.

1 files changed, 4 insertions, 0 deletions

diff --git a/tests/migrations/test_writer.py b/tests/migrations/test_writer.py
index 28c68d871a..aa12c7c612 100644
--- a/tests/migrations/test_writer.py
+++ b/tests/migrations/test_writer.py
@@ -347,6 +347,10 @@ class WriterTests(TestCase):
         self.assertSerializedEqual(FoodManager('a', 'b'))
         self.assertSerializedEqual(FoodManager('x', 'y', c=3, d=4))
 
+    def test_serialize_frozensets(self):
+        self.assertSerializedEqual(frozenset())
+        self.assertSerializedEqual(frozenset("let it go"))
+
     def test_simple_migration(self):
         """
         Tests serializing a simple migration.