anchor.diff:  
   :test_whl_pacakage_error
   call paddle_winci\Scripts\deactivate.bat
  +echo Pip install whl package failed, will exit!
   exit /b 3
   
   rem ---------------------------------------------------------------------------------------------
  
positive.code: pip install --upgrade pip
  pip install wheel
  pip install gym
  pip install -r %work_dir%\python\requirements.txt
  if %ERRORLEVEL% NEQ 0 exit /b %ERRORLEVEL%
  
  rem ------initialize common variable------
  if not defined CUDA_TOOLKIT_ROOT_DIR set CUDA_TOOLKIT_ROOT_DIR="C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v10.0"
  
negative.code: 
  :unit_test_error
  call paddle_winci\Scripts\deactivate.bat
  echo Running unit tests failed, will exit!
  exit /b 8
  
  rem ---------------------------------------------------------------------------------------------
  