On Wed, May 19, 2010 at 4:42 PM, Giampaolo Rodolà <g.rod...@gmail.com> wrote: >>>> class A: > ... def echo(self, x): > ... return x > ... >>>> a = A() >>>> a.echo() > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > TypeError: echo() takes exactly 2 arguments (1 given) >>>> > > I bet my last 2 cents this has already been raised in past but I want > to give it a try and revamp the subject anyway. > Is there a reason why the error shouldn't be adjusted to state that > *1* argument is actually required instead of 2? > > > --- Giampaolo
Because it actually does take two arguments (self and x) and it only got one (self). I understand the confusion (and was bitten by it myself when I was a newbie) but the interpreter is only telling you the truth. Geremy Condra _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com