“1abd3b3a29b6964323d679d47dea31830f5b5e6a”上不存在“python/paddle/v2/git@gitcode.net:BaiXuePrincess/Paddle.git”
* Unify fluid submodules to fluid module Change books just use `import fluid`, not submodules * Remove g_main_program/g_startup_program Use default_main_program/default_startup_program instead * Typo * Fix CI