tree e882a503d437fad539fdac4a7a423e9c12a99fde
parent be24b924b839a805bc5bb90a44e6f1d4379863b7
author BinBin Cong <binbin.cong@easystack.cn> 1455708166 +0000
committer BinBin Cong <binbin.cong@easystack.cn> 1455778619 +0000

Python 3 deprecated the logger.warn method in favor of warning

Python 3 deprecated the logger.warn method, see:
https://docs.python.org/3/library/logging.html#logging.warning, so we
prefer to use warning to avoid DeprecationWarning.

Change-Id: I873e4d8da3bda87041f4041371d0dbdae541b92e