Second fix for #2076 - use Abstract collections from .abc module. Fixes future issue

This commit is contained in:
Gochim
2019-11-09 23:27:28 +02:00
parent 6aa98e2214
commit b682dec363

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@@ -18,7 +18,7 @@
# ===============================================================================
from collections import MutableMapping
from collections.abc import MutableMapping
from copy import copy
from math import exp