stubtest: add class_getitem to dunders to check (python#9609)

hauntsaninja · web-flow · commit 941a414080d0 · 2020-10-17T17:34:25.000-07:00
diff --git a/mypy/stubtest.py b/mypy/stubtest.py
@@ -245,7 +245,7 @@ def verify_typeinfo(
         return
 
     to_check = set(stub.names)
-    dunders_to_check = ("__init__", "__new__", "__call__")
+    dunders_to_check = ("__init__", "__new__", "__call__", "__class_getitem__")
     # cast to workaround mypyc complaints
     to_check.update(
         m for m in cast(Any, vars)(runtime) if m in dunders_to_check or not m.startswith("_")
