class_docstr: Simple SequenceModule for testing purposes.
class_docstr_tok: ["Simple","SequenceModule","for","testing","purposes","."]
docstr: Step the model recurrently for one step of the input sequence.
docstr_tok: ["Step","the","model","recurrently","for","one","step","of","the","input","sequence","."]
code: def step(self, x, state=None, **kwargs):
      """Step the model recurrently for one step of the input sequence."""
      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 4 for calling the SequenceIdentity obj's underlying member method code with example usage: obj.step(x, state) and returns: x,  state