You can learn more about git and our workflow here https://github.com/sympy/sympy/wiki/Development-workflow
It would be great if you can work on the old PR (as you may need the code implemented there), but be aware, that it won't be trivial (and it may take time to review it after you are done). You may instead check for issues in our bug tracker (http://code.google.com/p/sympy/issues/) that are marked with easyToFix. Last year Certik and Dr. Brian Granger were mentors for the quantum module, but I don't know if they will mentor this year. -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sympy@googlegroups.com. To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.