def write_frame(self, stream):
        raise NotImplementedError()
Attach all the marshmallow fields classes to ``obj``, including
dataset/ETHPy150Open agoragames/haigha/haigha/frames/frame.py/Frame.write_frame--crossover with--dataset/ETHPy150Open marshmallow-code/flask-marshmallow/flask_marshmallow/__init__.py/_attach_fields