message: Cast shape to integer. Fix formatting.
diff: @@ -582,7 +582,7 @@ class Flatten(Layer):
  input_shape = tensor_shape.TensorShape(inputs.shape).as_list()
  if input_shape and all(input_shape[1:]):
  - outputs = array_ops.reshape(inputs, (-1, np.prod(input_shape[1:])))
  + outputs = array_ops.reshape(inputs, (-1, int(np.prod(input_shape[1:]))))
  else:
  outputs = array_ops.reshape(
  inputs, (tensor_shape.dimension_value(inputs.shape[0]) or
  