code: def export() -> None:
      node = onnx.helper.make_node(
          "PRelu",
          inputs=["x", "slope"],
          outputs=["y"],
      )
  
      x = np.random.randn(3, 4, 5).astype(np.float32)
      slope = np.random.randn(3, 4, 5).astype(np.float32)
      y = np.clip(x, 0, np.inf) + np.clip(x, -np.inf, 0) * slope
  
      expect(
          node,
          inputs=[x, slope],
          outputs=[y],
          name="test_prelu_example",
      )
  
file_path: onnx/onnx/backend/test/case/node/prelu.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 1 for calling the PRelu obj's underlying member method code with example usage: obj.export() without return types