Re: TypeError: unbound method add() must be called with BinaryTree instance as first argument (got nothing instead)

From	Terry Jan Reedy <tjreedy@udel.edu>
Subject	Re: TypeError: unbound method add() must be called with BinaryTree instance as first argument (got nothing instead)
Date	2013-05-18 17:05 -0400
References	<CAGGBd_q6AB8ARcotzu4QpS1N3BwKCOr=PGv6oUewsM=b-j=SEA@mail.gmail.com> <kn8lqn$sd$1@ger.gmane.org>
Newsgroups	comp.lang.python
Message-ID	<mailman.1819.1368911165.3114.python-list@python.org> (permalink)

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On 5/18/2013 3:46 PM, Peter Otten wrote:
> Dan Stromberg wrote:
>
>> python 2.x, python 3.x and pypy all give this same error, though jython
>> errors out at a different point in the same method.
>
> By the way, 3.x doesn't have unbound methods, so that should work.

It does for this example (3.3.1)
 >>> c = C()
 >>> c.m()
<__main__.C object at 0x00000000033FC5F8>
 >>> C.m(c)
<__main__.C object at 0x00000000033FC5F8>
 >>> C.m(self=c)
<__main__.C object at 0x00000000033FC5F8>

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Re: TypeError: unbound method add() must be called with BinaryTree instance as first argument (got nothing instead) Terry Jan Reedy <tjreedy@udel.edu> - 2013-05-18 17:05 -0400

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