“a636aa585ba8f7437646fd72679bf0da45ac14a5”上不存在“paddle/fluid/git@gitcode.net:paddlepaddle/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