code: def sudo_run(c, command):
      
      # NOTE: explicit shell wrapper because sourcing the venv works best here;
      # test tasks currently use their own subshell to call e.g. 'pytest --blah',
      # so the tactic of '$VIRTUAL_ENV/bin/inv coverage' doesn't help - only that
      # intermediate process knows about the venv!
      cmd = "source $VIRTUAL_ENV/bin/activate && {}".format(command)
      c.sudo('bash -c "{0}"'.format(cmd), user=c.travis.sudo.user)
docs: Run some command under Travis-oriented sudo subshell/virtualenv.
  
      :param str command:
          Command string to run, e.g. ``inv coverage``, ``inv integration``, etc.
          (Does not necessarily need to be an Invoke task, but...)