code: def test_basic_addr(self):
      class SimpleOp(nn.Module):
          def forward(self, x, y, z):
              out1 = x.addr(y, z, beta=2, alpha=3)
              out2 = torch.addr(x, y, z, beta=2, alpha=3)
              return out1, out2
  
      self.checkExportImport(
          SimpleOp(),
          (
              torch.zeros(3, 2),
              torch.arange(1.0, 4.0),
              torch.arange(1.0, 3.0),
          ),
      )
  
imports: import unittest
  import torch
  import nni.nas.nn.pytorch.layers
  from .convert_mixin import ConvertMixin, ConvertWithShapeMixin
label_desc: Use image node_id 13 for calling the TestConvert obj's underlying member method code with example usage: obj.test_basic_addr() and returns: out1,  out2