MAINT: mappingview check for Python 3.4 #8166

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merged 1 commit into from Mar 1, 2017
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@@ -2281,9 +2281,7 @@ def safe_first_element(obj):
def sanitize_sequence(data):
"""Converts dictview object to list"""
- if six.PY3 and isinstance(data, collections.abc.MappingView):
- return list(data)
- return data
+ return list(data) if isinstance(data, collections.MappingView) else data
def normalize_kwargs(kw, alias_mapping=None, required=(), forbidden=(),