[issue24025] str(bytes_obj) should raise an error

[eryksun]

eryksun added the comment:

bytes.__str__ can already raise either a warning (-b) 

    >>> str('abcäöü'.encode('utf-8'))
    __main__:1: BytesWarning: str() on a bytes instance
    "b'abc\\xc3\\xa4\\xc3\\xb6\\xc3\\xbc'"

or error (-bb), which applies equally to implicit conversion by print():

    >>> print('abcäöü'.encode('utf-8'))
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
    BytesWarning: str() on a bytes instance

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nosy: +eryksun

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<http://bugs.python.org/issue24025>
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