str(device)
Merge pull request #36 from fangdiantong/robin

fix python type conversion error
temp
Merge branch 'master' into yiling
Merge pull request #37 from fangdiantong/yesenfei

mysql batch update error log
Refactor the data converters.
Add all the converters for region / dsp.
Merge pull request #38 from fangdiantong/yiling

Refactor and add all the data converters. (region/dsp)