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Try to use pickle5 when available #3425

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jakirkham wants to merge 4 commits into from
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Try to use pickle5 when available #3425

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b773269
Try to use pickle5 when available
jakirkham Jan 29, 2020
db74076
Install `pickle5` for Python pre-3.8
jakirkham Jan 29, 2020
5bbc873
Update distributed/protocol/pickle.py
jakirkham Feb 16, 2020
f4ad9ae
Drop Python 2 case
jakirkham Feb 16, 2020
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1 change: 1 addition & 0 deletions dev-requirements.txt
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Expand Up @@ -11,3 +11,4 @@ pytest >= 3.2
prometheus_client >= 0.6.0
jupyter-server-proxy >= 1.1.0
pytest-asyncio
pickle5; python_version >= '3.6' and python_version < '3.8'
7 changes: 5 additions & 2 deletions distributed/protocol/pickle.py
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Expand Up @@ -3,8 +3,11 @@

import cloudpickle

if sys.version_info.major == 2:
import cPickle as pickle
if sys.version_info.major == 3 and sys.version_info.minor < 8:
try:
import pickle5 as pickle
except ImportError:
import pickle
else:
import pickle

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