text: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  
  import numpy as np
  
  import onnx
  from .base import Base, expect
  
  
  class Abs(Base):
  
      @staticmethod
      def export():
          node = onnx.helper.make_node(
              'Abs',
              inputs=['x'],
              outputs=['y'],
          )
          x = np.random.randn(3, 4, 5).astype(np.float32)
          y = np.abs(x)
  
          expect(node, inputs=[x], outputs=[y],
                 name='test_abs')
  