[python-control-developers] [python-control/python-control] c7c7b4: only call np.delete with actual removal (#430)

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

  Branch: refs/heads/master
  Home:   https://github.com/python-control/python-control
  Commit: c7c7b4754dcb30d14e46837b8967cc01abf34adc
      https://github.com/python-control/python-control/commit/c7c7b4754dcb30d14e46837b8967cc01abf34adc
  Author: Ben Greiner <co...@bn...>
  Date:   2020-07-10 (Fri, 10 Jul 2020)

  Changed paths:
    M control/iosys.py

  Log Message:
  -----------
  only call np.delete with actual removal (#430)