code: def load(self, file=CONFIG_FILE):
          
          if not os.path.exists(file):
              print("Config file was not found under %s. Default file has been created" % CONFIG_FILE)
              self._settings = yaml.load(DEFAULT_CONFIG, yaml.RoundTripLoader)
              self.save(file)
              sys.exit()
          with open(file, 'r') as f:
              self._settings = yaml.load(f, yaml.RoundTripLoader)
docs: load a configuration file. loads default config if file is not found