[3.2.x] Fixed #32450 -- Fixed crash when ANDing/ORing an empty Q() with not pickleable Q().

Regression in bb0b6e526340e638522e093765e534df4e4393d2.

Backport of 466920f6d726eee90d5566e0a9948e92b33a122e from master

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/queries/test_q.py b/tests/queries/test_q.py
index 9adff07ef2..6dcf36ce02 100644
--- a/tests/queries/test_q.py
+++ b/tests/queries/test_q.py
@@ -8,6 +8,10 @@ class QTests(SimpleTestCase):
         self.assertEqual(q & Q(), q)
         self.assertEqual(Q() & q, q)
 
+        q = Q(x__in={}.keys())
+        self.assertEqual(q & Q(), q)
+        self.assertEqual(Q() & q, q)
+
     def test_combine_and_both_empty(self):
         self.assertEqual(Q() & Q(), Q())
 
@@ -16,6 +20,10 @@ class QTests(SimpleTestCase):
         self.assertEqual(q | Q(), q)
         self.assertEqual(Q() | q, q)
 
+        q = Q(x__in={}.keys())
+        self.assertEqual(q | Q(), q)
+        self.assertEqual(Q() | q, q)
+
     def test_combine_or_both_empty(self):
         self.assertEqual(Q() | Q(), Q())