tree 495c67e3c91e81824d5a5db9777942e8d33ca08e
parent 9d94e214281e0873d7e72f76d779fe42316f1f8e
author guo yunxian <yunxian.guo@easystack.cn> 1474877593 +0800
committer guo yunxian <yunxian.guo@easystack.cn> 1474877593 +0800

Change into staticmethod

It seems more appropriate to turn this function into a staticmethod

Change-Id: Ib6457216c2111f76bc873f2756feb49adcddb046