code: def __init__(self, **kwargs):
      super(TailNegBlock, self).__init__(**kwargs)
      self.fc1 = nn.Dense(10, flatten=True)
      self.fc2 = nn.Dense(10, flatten=True)
  
imports: import mxnet
  import numpy
  import unittest
  import pytest
  import ctypes
  import copy
  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 1 to create a new TailNegBlock object from inherited base classes: nn with example: obj = TailNegBlock()