old_contents: import os
  import sys
  import argparse
  from rasa_nlu.config import RasaNLUConfig
  
  
  def create_argparser():
      parser = argparse.ArgumentParser(description='parse download commands')
      parser.add_argument('-c', '--config',
                          help="config file, all the command line options can also be passed via a (json-formatted) " +
                               "config file. NB command line args take precedence")
      parser.add_argument('-p', '--package',
                          help='package to be downloaded',
                          choices=['mitie'],
                          required=True)
  
      return parser
  
  
  def download(config, pkg="mitie"):
      if pkg == "mitie":
          from rasa_nlu.featurizers.mitie_featurizer import MITIEFeaturizer
          MITIEFeaturizer(config.mitie_file)
      else:
          print "Error. Package {0} not available for download.".format(pkg)
  
  if __name__ == '__main__':
      parser = create_argparser()
      cmdline_args = {key: val for key, val in vars(parser.parse_args()).items() if val is not None}
      config = RasaNLUConfig(cmdline_args.get("config"), os.environ, cmdline_args)
      download(config, cmdline_args["package"])
  
  
new_contents: import os
  import sys
  import argparse
  from rasa_nlu.config import RasaNLUConfig
  
  
  def create_argparser():
      parser = argparse.ArgumentParser(description='parse download commands')
      parser.add_argument('-c', '--config',
                          help="config file, all the command line options can also be passed via a (json-formatted) " +
                               "config file. NB command line args take precedence")
      parser.add_argument('-p', '--package',
                          help='package to be downloaded',
                          choices=['mitie'],
                          required=True)
  
      return parser
  
  
  def download(config, pkg="mitie"):
      if pkg == "mitie":
          from rasa_nlu.featurizers.mitie_featurizer import MITIEFeaturizer
          MITIEFeaturizer(config.mitie_file)
      else:
          print "Error. Package {0} not available for download.".format(pkg)
  
  if __name__ == '__main__':
      parser = create_argparser()
      cmdline_args = {key: val for key, val in vars(parser.parse_args()).items() if val is not None}
      config = RasaNLUConfig(cmdline_args.get("config"), os.environ, cmdline_args)
      download(config, cmdline_args["package"])
  
subject: fix pep8 extra line