message: Add missing [
diff: @@ -24,7 +24,7 @@ def _check_output(command):
  def install_packages_with_poetry():
  if sys.platform.startswith('win32'):
  - os.environ['POETRY_VIRTUALENVS_PATH'] = os.path.join(os.environ['RUNNER_WORKSPACE', 'virtualenvs')
  + os.environ['POETRY_VIRTUALENVS_PATH'] = os.path.join(os.environ['RUNNER_WORKSPACE'], 'virtualenvs')
  try:
  _check_call(['poetry', 'install', '--no-root'])
  except subprocess.CalledProcessError:
  