code: def load(self):
          
          if not self.loaded:
              self.values = configobj.ConfigObj({}, **self.DEFAULT_CONFIG_OPTS)
              for path in self.locations():
                  try:
                      part = configobj.ConfigObj(infile=path, **self.DEFAULT_CONFIG_OPTS)
                  except configobj.ConfigObjError as cause:
                      raise LoggedFailure("Error in file '{path}': {cause}".format(path=pretty_path(path), cause=cause))
                  self.values.merge(part)
              self.loaded = True
          return self.values
docs: Load configuration from the defined locations.