From 31d1519bbf095f55f66f473031ca5907000a8c2b Mon Sep 17 00:00:00 2001
From: Yuhao Yang <yuhao.yang@intel.com>
Date: Thu, 14 Dec 2017 23:29:51 -0800
Subject: [PATCH] Add Cropping2D and Cropping3D (#1992)

* add cropping

* serialization test

* equal and hash

* style fix

* python doc