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address py3.8 deprecation of collections direct ABC access #740

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Sep 10, 2019
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address py3.8 deprecation of collections direct ABC access #740

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7 changes: 6 additions & 1 deletion src/rez/util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -180,8 +180,13 @@ def _atexit():
def is_non_string_iterable(arg):
"""Python 2 and 3 compatible non-string iterable identifier"""

if six.PY2:
iterable_class = collections.Iterable
else:
iterable_class = collections.abc.Iterable

return (
isinstance(arg, collections.Iterable)
isinstance(arg, iterable_class)
and not isinstance(arg, six.string_types)
)

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