This module is just a POC on how we could help newcomers better understand some exceptions.
This is just a POC, a full implementation is done by André Roberge at https://github.com/aroberge/friendly-traceback.
teacher in an REPL or at the top of a file enable it, like:
import teacher a = "Foo" b = "Bar" print(a * "bar")
$ python test.py test.py:6: TypeError: can't multiply sequence by non-int of type 'str' You tried to multiply a by 'bar' which is not allowed, the sequence a can only be multiplied by an integer.
Download the file for your platform. If you're not sure which to choose, learn more about installing packages.