def p_expression(self, p):
        # TODO sequence
        if len(p) == 2:
            p[0] = p[1]
Attach a physics model to the JSON representation.
dataset/ETHPy150Open ardekantur/pyglet/tools/wraptypes/preprocessor.py/ConstantExpressionGrammar.p_expression--crossover with--dataset/ETHPy150Open turbulenz/turbulenz_tools/turbulenz_tools/tools/asset2json.py/JsonAsset.attach_physics_model