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Changes between Initial Version and Version 1 of Ticket #35603, comment 1

-              initial
+              v1
 which explains why it hangs indefinitely.
+Implementing `__contains__` resolves the issue
+{{{#!diff
+diff --git a/django/db/models/expressions.py b/django/db/models/expressions.py
+index dcba973ff4..0e4d259fa3 100644
+--- a/django/db/models/expressions.py
++++ b/django/db/models/expressions.py
+@@ -884,6 +884,9 @@ def __repr__(self):
+     def __getitem__(self, subscript):
+         return Sliced(self, subscript)
++    def __contains__(self, other):
++        return False
++
+     def resolve_expression(
+         self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+     ):
+}}}