Thank you for quick reply.
I'm not sure. I've input
git clone ...
Thats all.
śr., 10.02.2021, 21:53 użytkownik Oscar Benjamin <oscar.j.benja...@gmail.com>
napisał:
> On Wed, 10 Feb 2021 at 20:47, Michał Pawłowski
> <michal.bozydar.pawlow...@gmail.com> wrote:
> >
> > Hi.
> >
> > I have such problem.
> >
> > I've created py file:
> >
> > #!/usr/bin/python3
> >
> > from sympy import *
> > x = Symbol('x')
> > print(expand(sin(x)*(x-1)*(x+1)))
> >
> > When it is inside of SymPy lib dir, it returns correct result in console.
> > But, when I put it not inside the lib dir, it tells me, that:
> >
> > NameError: name 'Symbol' is not defined
> >
> > How can I fix it, to be able to execute this file from anywhere in my
> directory tree?
>
> That should work fine. Have you actually installed sympy or have you
> just downloaded the code?
>
> By any chance have you created a file somewhere called "sympy.py"
> because that would be picked up by "import sympy".
>
> --
> Oscar
>
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