Is there something wrong in original code?

[danchelz]

Skipping ERROR caught in nll = model.optimize_parameters(current_step):
23-09-04 05:05:13.371 - WARNING: Params [module.flowUpsamplerNet.layers.57.affine.fFeatures.4.weight] will not optimize.
module.flowUpsamplerNet.layers.57.affine.fFeatures.4.bias True
23-09-04 05:05:13.371 - WARNING: Params [module.flowUpsamplerNet.layers.57.affine.fFeatures.4.bias] will not optimize.
module.flowUpsamplerNet.layers.57.affine.fFeatures.4.logs True
23-09-04 05:05:13.371 - WARNING: Params [module.flowUpsamplerNet.layers.57.affine.fFeatures.4.logs] will not optimize.

And I don't know what caused this problem。