docs: def get_token(filename=TOKEN_PATH, envvar=TOKEN_ENVVAR):
      """
      Returns pipeline_token for API
  
      Tries local file first, then env variable
      """
      if os.path.isfile(filename):
          with open(filename) as token_file:
              token = token_file.readline().strip()
  
      else:
          token = os.environ.get(envvar)
  
          if not token:
              raise ValueError("No token found.\n"
                               "{} file doesn't exist.\n{} environment variable is not set.".format(filename, envvar))
  
      return token