text: import os
  if os.environ.get('WORKER_CLASS') in ('greenlet', 'gevent'):
      print('Monkey-patching for gevent.')
      from gevent import monkey; monkey.patch_all()
  import sys
  
  from config import huey
  from tasks import add
  
  
  if __name__ == '__main__':
      if sys.version_info[0] == 2:
          input = raw_input
  
      print('Huey Demo -- adds two numbers.')
      a = int(input('a = '))
      b = int(input('b = '))
      result = add(a, b)
      print('Result:')
      print(result.get(True))
  