python_c_function_reg_str=f"{{\"final_state_{fwd_api_name}\", (PyCFunction)(void(*)(void))eager_final_state_api_{fwd_api_name}, METH_VARARGS | METH_KEYWORDS, \"C++ interface function for {fwd_api_name} in dygraph.\"}}"
python_c_function_reg_str=f"{{\"final_state_{fwd_api_name}\", (PyCFunction)(void(*)(void))eager_final_state_api_{fwd_api_name}, METH_VARARGS | METH_KEYWORDS, \"C++ interface function for {fwd_api_name} in dygraph.\"}},\n"