old_contents: from importlib import import_module
  import json
  import re
  
  USER = U01234567
  CHANNEL = C01234567
  
  
  class Client(object):
      def api_call(self, type, username, as_user='false', icon_url=None, channel=None, attachments=None, text=None):
          if not (text or attachments):
              print('api_call error() : you must give text or attachments')
              return
          if text:
              print(username + ' : ' + text)
          else:
              print(username + ' : ' + attachments)
  
  
  class unitRobot(object):
      def __init__(self):
          self.client = Client()
  
  
  def extract_command(text):
      tokens = text.split(' ', 1)
      if 1 < len(tokens):
          return tokens[0], tokens[1]
      else:
          return (text, '')
  
  
  if __name__ == '__main__':
      robot = unitRobot()
      print('App\'s filename(without .py) >> ', end='')
      module_name = input()
      module = import_module('apps.%s' % module_name)
      print('APP\'s COMMANDS :' + '`, `'.join(module.run.commands))
      print('APP\'s DOC :' + module.run.__doc__)
      input_str = ''
      while input_str != 'exit':
          print('The input message : ', end='')
          input_str = input()
          command, payloads = extract_command(input_str)
          if not command:
              continue
          if command in module.run.commands:
              module.run(robot, CHANNEL, payloads, USER, command)
  
new_contents: from importlib import import_module
  import json
  import re
  
  USER = 'U01234567'
  CHANNEL = 'C01234567'
  
  
  class Client(object):
      def api_call(self, type, username, as_user='false', icon_url=None, channel=None, attachments=None, text=None):
          if not (text or attachments):
              print('api_call error() : you must give text or attachments')
              return
          if text:
              print(username + ' : ' + text)
          else:
              print(username + ' : ' + attachments)
  
  
  class unitRobot(object):
      def __init__(self):
          self.client = Client()
  
  
  def extract_command(text):
      tokens = text.split(' ', 1)
      if 1 < len(tokens):
          return tokens[0], tokens[1]
      else:
          return (text, '')
  
  
  if __name__ == '__main__':
      robot = unitRobot()
      print('App\'s filename(without .py) >> ', end='')
      module_name = input()
      module = import_module('apps.%s' % module_name)
      print('APP\'s COMMANDS :' + '`, `'.join(module.run.commands))
      print('APP\'s DOC :' + module.run.__doc__)
      input_str = ''
      while input_str != 'exit':
          print('The input message : ', end='')
          input_str = input()
          command, payloads = extract_command(input_str)
          if not command:
              continue
          if command in module.run.commands:
              module.run(robot, CHANNEL, payloads, USER, command)
  
subject: Fix bug