Fix list_sizes on Packet when using project API tokens
Fix list_sizes on Packet when using project API tokens

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