old_contents: # -*- coding: utf-8 -*-
  
  import os
  
  from flask import Flask
  
  application = Flask(__name__)
  route = application.route
  application.debug = True
  
  @route('/qps/caiyun-backend-wrapper-new')
  def index():
      cmd = "source $HOME/.bashrc; cd caiyun-backend-wrapper-new; source $HOME/bin/develop; $PRJ_HOME/bin/pref-test"
      os.system("ssh caiyun@inner.bench.caiyunapp.com '%s'" % cmd)
      return "OK"
  
  def main():
      application.debug = True
      application.run()
  
  if __name__ == "__main__":
      main()
  
new_contents: # -*- coding: utf-8 -*-
  
  import os
  
  from flask import Flask
  
  application = Flask(__name__)
  route = application.route
  application.debug = True
  
  @route('/qps/caiyun-backend-wrapper-new')
  def index():
      cmd = "source $HOME/.bashrc; cd $HOME/caiyun-backend-wrapper-new; source $HOME/bin/develop; $PRJ_HOME/bin/pref-test"
      os.system("ssh caiyun@inner.bench.caiyunapp.com '%s'" % cmd)
      return "OK"
  
  def main():
      application.debug = True
      application.run()
  
  if __name__ == "__main__":
      main()
  
subject: Update main.py