“ce7dc17237854d96b7c082a4ecd802a29eab0d72”上不存在“python/paddle/fluid/tests/unittests/test_data_generator.py”
* Add DataFeeder A v2 API like data feeder for book demos. We can feed data directly from reader. * Fix CI * Remove batch_size_dim for feeder Also add __all__ to data_feeder.py * Follow comment