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bpo-29762: More use "raise from None". (#569)

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This hides unwanted implementation details from tracebacks.
This commit is contained in:
Serhiy Storchaka 2017-04-05 09:37:24 +03:00 • committed by GitHub
parent 43ba8861e0
commit 5affd23e6f
30 changed files with 50 additions and 48 deletions
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2
Lib/multiprocessing/process.py
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@ -199,7 +199,7 @@ class BaseProcess(object):
try:
return self._sentinel
except AttributeError:
raise ValueError("process not started")
raise ValueError("process not started") from None
def __repr__(self):
if self is _current_process: