code: def forward(self, x):
      return self.net(x)
  
imports: import torch.nn
  from torch.nn.functional import relu, avg_pool2d
  from avalanche.models import MultiHeadClassifier, MultiTaskModule, DynamicModule
label_desc: Use image node_id 2 for calling the MLP obj's underlying member method code with example usage: obj.forward(x) and returns: self