From a8cfde79c42cdfb0ef2958e26591e291a00f6850 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Thu, 27 Sep 2018 09:27:41 -0700
Subject: [PATCH] Use structural inference for enum34 EnumMeta. (#2490)

Fixes python/mypy#5577.
---
 third_party/2/enum.pyi | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/third_party/2/enum.pyi b/third_party/2/enum.pyi
index c41677861..34200894b 100644
--- a/third_party/2/enum.pyi
+++ b/third_party/2/enum.pyi
@@ -8,10 +8,11 @@ _S = TypeVar('_S', bound=Type[Enum])
 # This is a temporary workaround to allow multiple creation of enums with builtins
 # such as str as mixins, which due to the handling of ABCs of builtin types, cause
 # spurious inconsistent metaclass structure. See #1595.
-class EnumMeta(ABCMeta, Iterable[Enum], Sized, Reversible[Enum], Container[Enum]):
+# Structurally: Iterable[T], Reversible[T], Container[T] where T is the enum itself
+class EnumMeta(ABCMeta):
     def __iter__(self: Type[_T]) -> Iterator[_T]: ...
     def __reversed__(self: Type[_T]) -> Iterator[_T]: ...
-    def __contains__(self, member: Any) -> bool: ...
+    def __contains__(self: Type[_T], member: Any) -> bool: ...
     def __getitem__(self: Type[_T], name: str) -> _T: ...
     @property
     def __members__(self: Type[_T]) -> Mapping[str, _T]: ...