removed type hinting in ex_add_scsi_controller
removed type hinting in ex_add_scsi_controller

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