[python-control-developers] [python-control/python-control] 89dcf3: change u == 0 test to avoid py3.8+ syntax warning

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

  Branch: refs/heads/master
  Home:   https://github.com/python-control/python-control
  Commit: 89dcf3c13b16b76db7807c95979094d9d02d4f33
      https://github.com/python-control/python-control/commit/89dcf3c13b16b76db7807c95979094d9d02d4f33
  Author: Richard Murray <mu...@cd...>
  Date:   2021-03-19 (Fri, 19 Mar 2021)

  Changed paths:
    M control/statesp.py

  Log Message:
  -----------
  change u == 0 test to avoid py3.8+ syntax warning


  Commit: 992bf0e5e1f3b9716919dddbd0f09eb487f6bf46
      https://github.com/python-control/python-control/commit/992bf0e5e1f3b9716919dddbd0f09eb487f6bf46
  Author: sawyerbfuller <587...@us...>
  Date:   2021-03-19 (Fri, 19 Mar 2021)

  Changed paths:
    M control/statesp.py

  Log Message:
  -----------
  Merge pull request #580 from murrayrm/fix_is_py3.8+

change u == 0 test to avoid py3.8+ syntax warning


Compare: https://github.com/python-control/python-control/compare/55d7e2b53d7c...992bf0e5e1f3