code: def test_neg_conv_add(data_shape):
      # conv + add can't be fusion case
      # eg.1
      #  ---------------> [custom op]
      #  |
      #  |
      # conv -----------> add
      #                   |
      #                   |
      # added ------------>
      class NegConvAdd(nn.HybridBlock):
          def __init__(self, **kwargs):
              super(NegConvAdd, self).__init__(**kwargs)
              self.conv1 = nn.Conv2D(
                  channels=64,
                  kernel_size=(3, 3),
                  strides=(1, 1),
                  use_bias=False,
              )
              self.act = nn.Activation("relu")
              self.pool = nn.AvgPool2D(pool_size=(4, 4))
              self.tailneg = TailNegBlock()
              self.add_value = mx.gluon.Parameter(
                  "add_value",
                  init=mx.init.Xavier(magnitude=2.24),
                  dtype="float32",
                  allow_deferred_init=True,
              )
  
          def forward(self, x):
              conv = self.conv1(x)
              print(conv.shape)
              sum1 = conv + self.add_value.data(x.device)
              pool = self.pool(conv)
              return self.tailneg(sum1, pool)
  
          def infer_shape(self, x):
              self.add_value.shape = (
                  data_shape[0],
                  64,
                  data_shape[2] - 2,
                  data_shape[3] - 2,
              )
  
      attrs = []
      excluded_attrs = ["with_sum"]
      net = NegConvAdd()
      check_neg_fusion(net, attrs, excluded_attrs, data_shape)
  
imports: import copy
  import mxnet
  import pytest
  from subgraph_common import check_fusion, check_neg_fusion, check_quantize
  from subgraph_common import CustomNormalInit, DATA_SHAPE, RELU6, TailNegBlock
  from subgraph_common import DATA_SHAPE, SG_PASS_NAME, QUANTIZE_SG_PASS_NAME
  from mxnet.contrib import quantization
  from mxnet.gluon import nn
  from mxnet.test_utils import assert_almost_equal, assert_almost_equal_with_err
label_desc: Use image node_id 22 for calling a global function with example usage: test_neg_conv_add(data_shape) and returns: self