code: def forward(self, x):
      return self.block(x)
  
file_path: pywick/pywick/models/segmentation/da_basenets/fcn.py
imports: import torch.nn
  import torch.nn.functional
  from .vgg import vgg16
label_desc: Use image node_id 2 for calling the _FCNHead obj's underlying member method code with example usage: obj.forward(x) and returns: self