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Correctly handle absent prefix/suffix in reraise

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Jonas Schneider
2016-05-01 23:37:45 -04:00
parent d22f96525f
commit 6acd9e55a4
1 changed files with 2 additions and 2 deletions
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4
gym/utils/reraise.py
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@@ -34,8 +34,8 @@ class ReraisedException(Exception):
orig = "%s: %s" % (full_class_name(self.old_exc), klass.__str__(self.old_exc))
prefixpart = suffixpart = ''
if self.prefix != '':
if self.prefix is not None:
prefixpart = self.prefix + "\n"
if self.suffix != '':
if self.suffix is not None:
suffixpart = "\n\n" + self.suffix
return "%sThe original exception was:\n\n%s%s" % (prefixpart, orig, suffixpart)