1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/types.py b/Lib/types.py
index ce4652f371..53b588da75 100644
--- a/Lib/types.py
+++ b/Lib/types.py
@@ -15,6 +15,13 @@ CodeType = type(_f.__code__)
 MappingProxyType = type(type.__dict__)
 SimpleNamespace = type(sys.implementation)
 
+def _cell_factory():
+    a = 1
+    def f():
+        nonlocal a
+    return f.__closure__[0]
+CellType = type(_cell_factory())
+
 def _g():
     yield 1
 GeneratorType = type(_g())