model.defunc not defined in m4e_lagrangian_nets.ipynb

[breesebj]

defunc is not defined in this notebook. Could you include code for this function?

tutorials/module4-model/m4e_lagrangian_nets.ipynb https://github.com/DiffEqML/torchdyn/blob/310c3750e35115a9e98fab78ff302440c8634843/tutorials/module4-model/m4e_lagrangian_nets.ipynb