[python-control-developers] [python-control/python-control] a09d05: handle non proper tf in _common_den() (#370)

[Ben <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/python-control/python-control
  Commit: a09d059e57b060592ed79fc89aac2dfc40064fe0
      https://github.com/python-control/python-control/commit/a09d059e57b060592ed79fc89aac2dfc40064fe0
  Author: Ben <co...@bn...>
  Date:   2020-03-21 (Sat, 21 Mar 2020)

  Changed paths:
    M control/tests/xferfcn_test.py
    M control/xferfcn.py

  Log Message:
  -----------
  handle non proper tf in _common_den() (#370)