code: def fetch_local_package(self, config):
          
          # Update sys.path & merge in remote configs (if necessary)
          self.update_paths_and_config(config=config,
                                       pkg_dir_name=config['source'],
                                       pkg_cache_dir=os.getcwd())
docs: Make a local path available to current stacker config.
  
          Args:
              config (dict): 'local' path config dictionary