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Issue #19545: Avoid chained exceptions while passing stray % to

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time.strptime().  Initial patch by Claudiu Popa.
This commit is contained in:
Serhiy Storchaka 2013-11-24 18:17:11 +02:00
commit b5d386314f
4 changed files with 12 additions and 1 deletions
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2
Lib/_strptime.py
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@ -329,7 +329,7 @@ def _strptime(data_string, format="%a %b %d %H:%M:%S %Y"):
(bad_directive, format)) from None
# IndexError only occurs when the format string is "%"
except IndexError:
raise ValueError("stray %% in format '%s'" % format)
raise ValueError("stray %% in format '%s'" % format) from None
_regex_cache[format] = format_regex
found = format_regex.match(data_string)
if not found: