Add global before_script

2 jobs from feature/ci_flake8 in 58 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Lint
failed #1067
flake8

00:58

 
  Test
skipped #1068
test
 
Lint flake8
Installing dependencies from Pipfile.lock (e88401)…
To activate this project's virtualenv, run pipenv shell.
Alternatively, run a command inside the virtualenv with pipenv run.
$ git submodule sync --recursive
Synchronizing submodule url for 'recircle/interface_openstack'
$ git submodule update --init --recursive
$ flake8
/bin/bash: line 74: flake8: command not found
ERROR: Job failed: exit code 1