diff options
| -rw-r--r-- | taskflow/types/sets.py | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/taskflow/types/sets.py b/taskflow/types/sets.py index 0db43bf..95da1d9 100644 --- a/taskflow/types/sets.py +++ b/taskflow/types/sets.py @@ -15,6 +15,16 @@ # under the License. import collections + +# TODO(smcginnis) update this once six has support for collections.abc +# (https://github.com/benjaminp/six/pull/241) or clean up once we drop py2.7. +try: + from collections.abc import Hashable + from collections.abc import Set +except ImportError: + from collections import Hashable + from collections import Set + import itertools import six @@ -32,7 +42,7 @@ def _merge_in(target, iterable=None, sentinel=_sentinel): return target -class OrderedSet(collections.Set, collections.Hashable): +class OrderedSet(Set, Hashable): """A read-only hashable set that retains insertion/initial ordering. It should work in all existing places that ``frozenset`` is used. |