code: def test_dense_fprop(self):
      func = compile_func(
          [self.input_layer.get_activation_vars()],
          self.dense_layer.get_activation_vars(),
      )
      self.assertListEqual(
          [list(x) for x in func(self.inp)],
          [[9.0, -9.0], [19.0, -19.0]],
      )
  
file_path: deeplift/tests/layers/test_dense.py
imports: from __future__ import division
  from __future__ import print_function
  from __future__ import absolute_import
  import unittest
  from unittest import skip
  import sys
  import os
  import numpy
  import deeplift
  import deeplift.layers
  from deeplift.layers import DenseMxtsMode
  from deeplift.util import compile_func
label_desc: Use image node_id 2 for calling the TestDense obj's underlying member method code with example usage: obj.test_dense_fprop() without return types