no defined parameter learnable_per_layer_per_step_inner_loop_learning_rate

[laiyongkui1997]

Hi, AntreasAntoniou, thanks for your great job. But I have some confusion when reading the code.

In LSLRGradientDescentLearningRule Module, it need the parameter called use_learnable_learning_rates, but when instantiate the Module in few_shot_learning_system.py/MAMLFewShotClassifier, the parameter use_learnable_learning_rates is passed by self.args.learnable_per_layer_per_step_inner_loop_learning_rate which is not defined.

So I want to know how it works. The parameter use_learnable_learning_rates is used in torch.nn.Parameter(data, requires_grad=use_learnable_learning_rates), which can not be None.

If I need to define the learnable_per_layer_per_step_inner_loop_learning_rate, it is a boolean value or a list of boolean value?