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Fix import of collections.Iterable #477

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Fix import of collections.Iterable #477

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8 changes: 6 additions & 2 deletions backtrader/lineiterator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,10 @@
unicode_literals)

import collections
try:
collectionsAbc = collections.abc
except AttributeError:
collectionsAbc = collections
import operator
import sys

Expand Down Expand Up @@ -226,15 +230,15 @@ def bindlines(self, owner=None, own=None):

if isinstance(owner, string_types):
owner = [owner]
elif not isinstance(owner, collections.Iterable):
elif not isinstance(owner, collectionsAbc.Iterable):
owner = [owner]

if not own:
own = range(len(owner))

if isinstance(own, string_types):
own = [own]
elif not isinstance(own, collections.Iterable):
elif not isinstance(own, collectionsAbc.Iterable):
own = [own]

for lineowner, lineown in zip(owner, own):
Expand Down