“df43905f1295f76f08d98aab5b6cc6875b4597f0”上不存在“paddle/phi/kernels/affine_grid_kernel.h”
* Expose paddle.framework by pybind11
* Export paddle.framework.{Scope, Variable} to paddle.v2.framework.core.
* See python/paddle/v2/framework/tests/test_scope.py for Python usage
* See paddle/pybind/pybind.cc for C++ bind code.
* add copyright