“fcb7569adc27b2c68b635214247559dbfab82904”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