Fix DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated
--- a/cubicweb/multipart.py Thu Apr 18 04:34:34 2019 +0000
+++ b/cubicweb/multipart.py Thu Apr 18 04:40:23 2019 +0000
@@ -50,7 +50,7 @@
# Some of these were copied from bottle: http://bottle.paws.de/
try:
- from collections import MutableMapping as DictMixin
+ from collections.abc import MutableMapping as DictMixin
except ImportError: # pragma: no cover (fallback for Python 2.5)
from UserDict import DictMixin