[LIBCLOUD-870] test_alb.py style fixes
[LIBCLOUD-870] test_alb.py style fixes

ByteInternet/libcloud,andrewsomething/libcloud,mistio/libcloud,ByteInternet/libcloud,mistio/libcloud,apache/libcloud,andrewsomething/libcloud,apache/libcloud,apache/libcloud,Kami/libcloud,andrewsomething/libcloud,Kami/libcloud,mistio/libcloud,ByteInternet/libcloud,Kami/libcloud