class_docstr: Simple SequenceModule for testing purposes.
class_docstr_tok: ["Simple","SequenceModule","for","testing","purposes","."]
docstr: Forward pass.
docstr_tok: ["Forward","pass","."]
code: def forward(self, x, state=None):
      """Forward pass."""
      return x, state
  
file_path: espnet/espnet2/asr/state_spaces/base.py
imports: import functools
  from torch import nn
label_desc: Use image node_id 2 for calling the SequenceIdentity obj's underlying member method code with example usage: obj.forward(x, state) and returns: x,  state