19 lines
636 B
Diff
19 lines
636 B
Diff
diff --git a/unittest2/compatibility.py b/unittest2/compatibility.py
|
|
index 9e5f1a5..473957c 100644
|
|
--- a/unittest2/compatibility.py
|
|
+++ b/unittest2/compatibility.py
|
|
@@ -1,4 +1,5 @@
|
|
import collections
|
|
+import collections.abc
|
|
import os
|
|
import sys
|
|
|
|
@@ -140,7 +141,7 @@ except ImportError:
|
|
### ChainMap (helper for configparser and string.Template)
|
|
########################################################################
|
|
|
|
-class ChainMap(collections.MutableMapping):
|
|
+class ChainMap(collections.abc.MutableMapping):
|
|
''' A ChainMap groups multiple dicts (or other mappings) together
|
|
to create a single, updateable view.
|
|
|