code: def run_from_argv(self, argv):
          
          parser = self.create_parser(argv[0], argv[1])
          args = parser.parse_args(argv[2:])
          handle_default_options(args)
          try:
              self.execute(args)
          except Exception as e:
              # self.stderr is not guaranteed to be set here
              try:
                  fallback_stderr = OutputWrapper(sys.stderr, self.style.ERROR)
              except:
                  fallback_stderr = self.stdout
              stderr = getattr(self, 'stderr', fallback_stderr)
              if args.traceback:
                  stderr.write(traceback.format_exc())
              else:
                  stderr.write('%s: %s' % (e.__class__.__name__, e))
              sys.exit(1)
docs: Set up any environment changes requested (e.g., Python path
          and Django settings), then run this command. If the
          command raises a ``CommandError``, intercept it and print it sensibly
          to stderr.