code: def generate_inputs(self):
      x_shape = self.x_shape
      dtype = self.dtype
      x = numpy.random.uniform(-1, 1, x_shape).astype(dtype)
      return (x,)
  
imports: import functools
  from operator import mul
  import unittest
  import chainer
  import numpy
  import pytest
  import chainerx
  from chainerx_tests import op_utils
label_desc: Use image node_id 2 for calling the TestAveragePool obj's underlying member method code with example usage: obj.generate_inputs() and returns: x