[python-control-developers] [python-control/python-control] 7e8a08: Travis py37 scipy0.19.1 fix (#322)

[Richard M. <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/python-control/python-control
  Commit: 7e8a08ae537fab44dddcda303c8de4c2761b7455
      https://github.com/python-control/python-control/commit/7e8a08ae537fab44dddcda303c8de4c2761b7455
  Author: Richard Murray <mu...@cd...>
  Date:   2019-06-30 (Sun, 30 Jun 2019)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Travis py37 scipy0.19.1 fix (#322)

Remove python-3.7, scipy-0.19.1 build from test matrix (since scipy-0.19.1 only claims support for python 2.7-3.6).  This fixes issue #321