[Python-Dev] TypeError: f() missing 1 required positional argument: 'x'

Nick Coghlan ncoghlan at gmail.com
Thu Sep 20 14:21:39 CEST 2012

On Thu, Sep 20, 2012 at 9:56 PM, Mark Dickinson <dickinsm at gmail.com> wrote:
> I submit that the word 'positional' in the TypeError message
> exacerbates this confusion, and that little would be lost by simply
> dropping it from the exception message.

+1 for using the unqualified "argument" in these error messages to
mean "positional or keyword argument" (inspect.Parameter spells it out
as POSITIONAL_OR_KEYWORD, but the full phrase is far too verbose for
an error message).


Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia

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