code: def gen_inputs(
      self, input_dim, batch_size, num_frames, right_context_length
  ):
      pass
  
file_path: audio/test/torchaudio_unittest/models/emformer/emformer_test_impl.py
imports: from abc import ABC, abstractmethod
  import torch
  from torchaudio.models import Emformer
  from torchaudio_unittest.common_utils import TestBaseMixin, torch_script
label_desc: Use image node_id 2 for calling the EmformerTestMixin obj's underlying member method code with example usage: obj.gen_inputs(input_dim, batch_size, num_frames, right_context_length) without return types