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author | Serhiy Storchaka <storchaka@gmail.com> | 2017-04-05 06:37:24 (GMT) |
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committer | GitHub <noreply@github.com> | 2017-04-05 06:37:24 (GMT) |
commit | 5affd23e6f42125998724787025080a24839266e (patch) | |
tree | 8b7ca82362e78a32805b117d574082d512251d3c /Lib/multiprocessing/context.py | |
parent | 43ba8861e0ad044efafa46a7cc04e12ac5df640e (diff) | |
download | cpython-5affd23e6f42125998724787025080a24839266e.zip cpython-5affd23e6f42125998724787025080a24839266e.tar.gz cpython-5affd23e6f42125998724787025080a24839266e.tar.bz2 |
bpo-29762: More use "raise from None". (#569)
This hides unwanted implementation details from tracebacks.
Diffstat (limited to 'Lib/multiprocessing/context.py')
-rw-r--r-- | Lib/multiprocessing/context.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/multiprocessing/context.py b/Lib/multiprocessing/context.py index 623f6fb..a3d491b 100644 --- a/Lib/multiprocessing/context.py +++ b/Lib/multiprocessing/context.py @@ -189,7 +189,7 @@ class BaseContext(object): try: ctx = _concrete_contexts[method] except KeyError: - raise ValueError('cannot find context for %r' % method) + raise ValueError('cannot find context for %r' % method) from None ctx._check_available() return ctx |