Simeon Visser added the comment:
Is it worth clarifying that __init__ can return a value but only the value
None? The following won't raise a TypeError:
class O(object):
def __init__(self):
return None
Admittedly the "return None" is the default behaviour but people may attempt
this in order to "block creation" of the instance (as __new__ is less
well-known, I have seen the above attempted on Stack Overflow:
http://stackoverflow.com/questions/26896941/proper-way-to-terminate-object-creation-inside-of-init/)
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nosy: +simeon.visser
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<http://bugs.python.org/issue20467>
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