Comment 4 for bug 1337089

I ran into this in an otherwise completely successful run, which is rather frustrating:

  ___________________________________ summary ____________________________________
  pep8: commands succeeded
  congratulations :)
  + set +o pipefail
  + echo 'Begin pip freeze output from test virtualenv:'
  Begin pip freeze output from test virtualenv:
  + echo ======================================================================
  ======================================================================
  + .tox/pep8/bin/pip freeze
  /usr/local/jenkins/slave_scripts/run-pep8.sh: line 31: .tox/pep8/bin/pip: No such file or directory
  Build step 'Execute shell' marked build as failure
  [SCP] Copying console log.
  [SCP] Trying to create /srv/static/logs/20/109820/3/check/gate-keystone-pep8/7317358
  Finished: FAILURE