message: python api example typo fix
diff: @@ -38,7 +38,7 @@ print('TensorProto:\n{}'.format(tensor))
  # Convert the TensorProto to a Numpy array
  new_array = numpy_helper.to_array(tensor)
  -print('After round trip, Numpy array:\n{}\n'.format(numpy_array))
  +print('After round trip, Numpy array:\n{}\n'.format(new_array))
  # Save the TensorProto
  with open('tensor.pb', 'wb') as f:
  