diff --git a/third_party/2.7/six/__init__.pyi b/third_party/2.7/six/__init__.pyi
index 5f5383bbc..aadf05660 100644
--- a/third_party/2.7/six/__init__.pyi
+++ b/third_party/2.7/six/__init__.pyi
@@ -4,7 +4,7 @@ from __future__ import print_function
 
 from typing import (
     Any, AnyStr, Callable, Iterable, Mapping, Optional,
-    Pattern, Tuple, TypeVar, Union, overload,
+    Pattern, Tuple, TypeVar, Union, overload, ValuesView, KeysView, ItemsView
 )
 import typing
 
@@ -56,10 +56,9 @@ def itervalues(d: Mapping[_K, _V]) -> typing.Iterator[_V]: ...
 def iteritems(d: Mapping[_K, _V]) -> typing.Iterator[Tuple[_K, _V]]: ...
 #def iterlists
 
-# TODO fix return types - python2 typing doesn't include KeysView etc yet.
-def viewkeys(d: Mapping[_K, _V]) -> Iterable[_K]: ...
-def viewvalues(d: Mapping[_K, _V]) -> Iterable[_V]: ...
-def viewitems(d: Mapping[_K, _V]) -> Iterable[Tuple[_K, _V]]: ...
+def viewkeys(d: Mapping[_K, _V]) -> KeysView[_K]: ...
+def viewvalues(d: Mapping[_K, _V]) -> ValuesView[_V]: ...
+def viewitems(d: Mapping[_K, _V]) -> ItemsView[_K, _V]: ...
 
 def b(s: str) -> binary_type: ...
 def u(s: str) -> text_type: ...