File python-marathon-use-collections.abc.patch of Package python-marathon

diff --git a/marathon/util.py b/marathon/util.py
index d9f5664..af2932e 100644
--- a/marathon/util.py
+++ b/marathon/util.py
@@ -1,4 +1,10 @@
-import collections
+# collections.abc new as of 3.3, and collections is deprecated. collections
+# will be unavailable in 3.9
+try:
+    import collections.abc as collections
+except ImportError:
+    import collections
+
 import datetime
 import logging