old_contents: 
  import os
  import inspect
  import logging
  
  from ott.loader.gtfs.cache import Cache
  
  class Load(object):
      """ load GTFS data into a gtfsdb
      """
      this_module_dir = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
  
      cache_dir = None
      gtfs_zip_files  = None
  
      def __init__(self, config=None, gtfs_zip_files=Cache.get_gtfs_feeds()):
          self.gtfs_zip_files = gtfs_zip_files
          self.build_cache_dir = self.get_build_cache_dir()
  
new_contents: 
  import os
  import sys
  import inspect
  import logging
  
  from ott.loader.gtfs.cache import Cache
  
  class Load(object):
      """ load GTFS data into a gtfsdb
      """
      this_module_dir = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
  
      cache_dir = None
      gtfs_zip_files  = None
  
      def __init__(self, config=None, gtfs_zip_files=Cache.get_gtfs_feeds()):
          self.gtfs_zip_files = gtfs_zip_files
          self.build_cache_dir = self.get_build_cache_dir()
  
  def main(argv):
      Load()
  
  if __name__ == '__main__':
      main(sys.argv)
  
subject: add main