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Code Issues Projects Releases Packages Wiki Activity Actions 13

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
Tools/freeze/winmakemakefile.py
View file

@ -39,7 +39,7 @@ def get_custom_entry_point(subsystem):
try:
return subsystem_details[subsystem][:2]
except KeyError:
raise ValueError("The subsystem %s is not known" % subsystem)
raise ValueError("The subsystem %s is not known" % subsystem) from None
def makemakefile(outfp, vars, files, target):

6
Tools/pynche/ColorDB.py
View file

@ -87,7 +87,7 @@ class ColorDB:
try:
return self.__byrgb[rgbtuple]
except KeyError:
raise BadColor(rgbtuple)
raise BadColor(rgbtuple) from None
def find_byname(self, name):
"""Return (red, green, blue) for name"""
@ -95,7 +95,7 @@ class ColorDB:
try:
return self.__byname[name]
except KeyError:
raise BadColor(name)
raise BadColor(name) from None
def nearest(self, red, green, blue):
"""Return the name of color nearest (red, green, blue)"""
@ -128,7 +128,7 @@ class ColorDB:
try:
name, aliases = self.__byrgb[(red, green, blue)]
except KeyError:
raise BadColor((red, green, blue))
raise BadColor((red, green, blue)) from None
return [name] + aliases