Revert dff0350c24b1, as it doesn't really work and causes some issues with PYTHINSTARTUP.
Revert dff0350c24b1, as it doesn't really work and causes some issues with PYTHINSTARTUP.

This reopens issue #89.

kdart/bpython,wevial/bpython,aktorion/bpython,aktorion/bpython,wevial/bpython,kdart/bpython