Fix more pylint error
Fix more pylint error

andrewsomething/libcloud,mgogoulos/libcloud,t-tran/libcloud,SecurityCompass/libcloud,Scalr/libcloud,t-tran/libcloud,Scalr/libcloud,mgogoulos/libcloud,mistio/libcloud,ByteInternet/libcloud,ZuluPro/libcloud,techhat/libcloud,apache/libcloud,illfelder/libcloud,pquentin/libcloud,erjohnso/libcloud,vongazman/libcloud,techhat/libcloud,samuelchong/libcloud,ByteInternet/libcloud,illfelder/libcloud,Kami/libcloud,andrewsomething/libcloud,SecurityCompass/libcloud,Kami/libcloud,apache/libcloud,samuelchong/libcloud,StackPointCloud/libcloud,pquentin/libcloud,StackPointCloud/libcloud,Scalr/libcloud,Kami/libcloud,andrewsomething/libcloud,ZuluPro/libcloud,mgogoulos/libcloud,mistio/libcloud,SecurityCompass/libcloud,StackPointCloud/libcloud,erjohnso/libcloud,erjohnso/libcloud,vongazman/libcloud,ByteInternet/libcloud,techhat/libcloud,ZuluPro/libcloud,samuelchong/libcloud,apache/libcloud,pquentin/libcloud,illfelder/libcloud,vongazman/libcloud,t-tran/libcloud,mistio/libcloud