code: def export_long() -> None:
      node = onnx.helper.make_node(
          "Where",
          inputs=["condition", "x", "y"],
          outputs=["z"],
      )
  
      condition = np.array([[1, 0], [1, 1]], dtype=bool)
      x = np.array([[1, 2], [3, 4]], dtype=np.int64)
      y = np.array([[9, 8], [7, 6]], dtype=np.int64)
      z = np.where(condition, x, y)  # expected output [[1, 8], [3, 4]]
      expect(
          node,
          inputs=[condition, x, y],
          outputs=[z],
          name="test_where_long_example",
      )
  
file_path: onnx/onnx/backend/test/case/node/where.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 Where obj's underlying member method code with example usage: obj.export_long() without return types