because it doesn't work; I agree that it's a good idea and this is the
thing that I asked if you could undertake: make a setter so this *does*
work and then we can get rid of the bad idea of touching `_nargs`


On Tue, Dec 10, 2013 at 3:20 PM, Sergey B Kirpichev <
notifications@github.com> wrote:

> In sympy/core/tests/test_match.py:
>
> > @@ -216,7 +216,7 @@ def test_derivative1():
> >      x, y = map(Symbol, 'xy')
> >      p, q = map(Wild, 'pq')
> >
> > -    f = Function('f', nargs=1)
>
> Why this? I think, it's a good idea.
>
> —
> Reply to this email directly or view it on GitHub<https://github.com/skirpichev/sympy/pull/3/files#r8247927>
> .
>