Fixed Python 2.7 issue

1 files changed, 6 insertions, 2 deletions

diff --git a/cmd2.py b/cmd2.py
index 4139217e..5ac94061 100755
--- a/cmd2.py
+++ b/cmd2.py
@@ -54,10 +54,14 @@ import pyperclip
 try:
     from collections.abc import Collection
 except ImportError:
-    import collections.abc as abc
+
+    if six.PY3:
+        from collections.abc import Sized, Iterable, Container
+    else:
+        from collections import Sized, Iterable, Container
 
     # noinspection PyAbstractClass
-    class Collection(abc.Sized, abc.Iterable, abc.Container):
+    class Collection(Sized, Iterable, Container):
 
         __slots__ = ()