code: def _prepare_uimodules(self):
          
          for key, value in self._config.get(config.UI_MODULES, {}).iteritems():
              self._config[config.UI_MODULES][key] = self._import_class(value)
          self._config[config.UI_MODULES] = dict(self._config[config.UI_MODULES] or {})
docs: Prepare the UI Modules from a list of namespaced paths.