code: def forward(self, x):
      return upsample(x, self.stride, self.expand, self.transposed)
  
imports: import torch
  import torch.nn.functional
  from einops import rearrange, reduce, repeat
  from torch import nn
  from espnet2.asr.state_spaces.base import SequenceModule
  from espnet2.asr.state_spaces.components import LinearActivation
label_desc: Use image node_id 2 for calling the UpSample obj's underlying member method code with example usage: obj.forward(x) and returns: upsample