code: def export_sequence() -> None:
      node = onnx.helper.make_node(
          "Identity",
          inputs=["x"],
          outputs=["y"],
      )
  
      data = [
          np.array(
              [
                  [
                      [
                          [1, 2],
                          [3, 4],
                      ]
                  ]
              ],
              dtype=np.float32,
          ),
          np.array(
              [
                  [
                      [
                          [2, 3],
                          [1, 5],
                      ]
                  ]
              ],
              dtype=np.float32,
          ),
      ]
  
      expect(
          node,
          inputs=[data],
          outputs=[data],
          name="test_identity_sequence",
      )
  
file_path: onnx/onnx/backend/test/case/node/identity.py
imports: import numpy
  import onnx
  from onnx.backend.test.case.base import Base
  from onnx.backend.test.case.node import expect
label_desc: Use image node_id 2 for calling the Identity obj's underlying member method code with example usage: obj.export_sequence() without return types