Bug#827740: isympy start fails: No module named sympy.interactive

[Alberto Luaces]

Francesco Poli writes:

> On Thu, 23 Jun 2016 11:55:38 +0200 Alberto Luaces wrote:
>
>> Francesco Poli writes:
> [...]
>> > I see that you have python3-sympy installed.
>> >
>> > What's the output of
>> >
>> >   $ /usr/bin/python --version
>> >
>> > on your system?
>> 
>> $ python -V
>> Python 2.7.12rc1
>> $ python3 -V
>> Python 3.5.2rc1
>
> Mmmh, then I am under the impression that you should try again after
> installing python-sympy ...
>

The error persists after re-installation.  The problem is that the
shebang line of isympy calls /usr/bin/python regardless if python3-sympy
was installed as its dependency.

>
> Or otherwise, you could maybe try with the following command (that may
> be automated with an alias or with a wrapper script...):
>
>   $ python3 /usr/bin/isympy

Thank you.  Of course that works, but the bug remains: isympy is that
wrapper script :)