diff --git a/qtpy/py3compat.py b/qtpy/py3compat.py
index cc4bdbf5..e92871a0 100644
--- a/qtpy/py3compat.py
+++ b/qtpy/py3compat.py
@@ -46,6 +46,7 @@
 if PY2:
     # Python 2
     import __builtin__ as builtins
+    from collections import Callable, MutableMapping
     import ConfigParser as configparser
     try:
         import _winreg as winreg