[CRIU] ✗ travis-ci: failure for zdtm: use flake8 to verify zdtm.py (rev4)

[Patchwork]

== Series Details ==

Series: zdtm: use flake8 to verify zdtm.py (rev4)
URL   : https://zdtm.openvz.org/series/209/
State : failure

== Logs ==

For more details see: https://travis-ci.org/criupatchwork/criu/builds/135057134