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Set __name__ for list validators in rcsetup. #8261

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merged 1 commit into from
Mar 12, 2017
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Set __name__ for list validators in rcsetup. #8261

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9 changes: 7 additions & 2 deletions lib/matplotlib/rcsetup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -95,8 +95,13 @@ def f(s):
return [scalar_validator(v) for v in s
if not isinstance(v, six.string_types) or v]
else:
msg = "{0!r} must be of type: string or non-dictionary iterable.".format(s)
raise ValueError(msg)
raise ValueError("{!r} must be of type: string or non-dictionary "
"iterable".format(s))
# Cast `str` to keep Py2 happy despite `unicode_literals`.
try:
f.__name__ = str("{}list".format(scalar_validator.__name__))
except AttributeError: # class instance.
f.__name__ = str("{}List".format(type(scalar_validator).__name__))
f.__doc__ = scalar_validator.__doc__
return f

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