Berker Peksag added the comment:
Well, I find using a for loop is a bit verbose in this case :)
In Python 3.2:
>>> __import__('encodings', fromlist=[b'aliases'])
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: Item in ``from list'' not a string
BytesWarning is there since Python 3.3 and I couldn't find any report on the
tracker. I'd be fine with either committing the current patch or using
pre-importlib exception message from 3.2 in 3.5+ (assuming the chance of
passing a non-str item is low in Python 3)
> Other solution for Python 2 is allowing unicode in fromlist.
My preference is to improve the exception message and move on. Accepting both
str and unicode would make the code harder to maintain and it would be better
to avoid potential regressions in 2.7 (note that we already introduced
regressions in the previous bugfix releases :))
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<http://bugs.python.org/issue21720>
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