votes up 1

__init__() got an unexpected keyword argument '%s'

Package:
pip
github stars 7379
Exception Class:
TypeError

Raise code

""" 
        :arg alphabetical_attributes: Reorder attributes to be in alphabetical order.

            Defaults to ``False``.

        """
        unexpected_args = frozenset(kwargs) - frozenset(self.options)
        if len(unexpected_args) > 0:
            raise TypeError("__init__() got an unexpected keyword argument '%s'" % next(iter(unexpected_args)))
        if 'quote_char' in kwargs:
            self.use_best_quote_char = False
        for attr in self.options:
            setattr(self, attr, kwargs.get(attr, getattr(self, attr)))
        self.errors = []
        self.strict = False
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Links to the raise (1)

https://github.com/pypa/pip/blob/48dc9f400d45682f244aae0db324fbda280266a5/src/pip/_vendor/html5lib/serializer.py#L216

See also in the other packages (1)

(❌️ No answer)
pipenv/init-got-an-unexpected-keyword-ar

Ways to fix

votes up 1 votes down

This happens when html5lib.serializer.serialize gets unexpected argument.

Code to reproduce the exception:

from html5lib.html5parser import parse
from html5lib.serializer import serialize
token_stream = parse('<html><body><p>Hi!</p></body></html>')
serialize(token_stream, omit_optional_tag=False)


---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
<ipython-input-4-0a6c1b2a6780> in <module>()  2 from html5lib.serializer import serialize  3 token_stream = parse('<html><body><p>Hi!</p></body></html>') ----> 4 serialize(token_stream, omit_optional_tag=False) 
/usr/local/lib/python3.7/dist-packages/html5lib/serializer.py in serialize(input, tree, encoding, **serializer_opts)  98 # XXX: Should we cache this?  99 walker = treewalkers.getTreeWalker(tree) --> 100 s = HTMLSerializer(**serializer_opts)  101 return s.render(walker(input), encoding)  102  
/usr/local/lib/python3.7/dist-packages/html5lib/serializer.py in __init__(self, **kwargs)  214 unexpected_args = frozenset(kwargs) - frozenset(self.options)  215 if len(unexpected_args) > 0: --> 216 raise TypeError("__init__() got an unexpected keyword argument '%s'" % next(iter(unexpected_args)))  217 if 'quote_char' in kwargs:  218 self.use_best_quote_char = False 
TypeError: __init__() got an unexpected keyword argument 'omit_optional_tag'

Fixed version of the code:

from html5lib.html5parser import parse
from html5lib.serializer import serialize
token_stream = parse('<html><body><p>Hi!</p></body></html>')
serialize(token_stream, omit_optional_tags=False)


<html><head></head><body><p>Hi!</p></body></html>

May 07, 2022 kellemnegasi answer
kellemnegasi 29.0k

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