old_contents: from .plcorebase import PlCoreBase
  from .planetstack import PlanetStack
  from .project import Project
  from .singletonmodel import SingletonModel
  from .service import Service
  from .service import ServiceAttribute
  from .tag import Tag
  from .role import Role
  from .site import Site,Deployment, DeploymentRole, DeploymentPrivilege, SiteDeployments
  from .dashboard import DashboardView
  from .user import User, UserDashboardView
  from .serviceclass import ServiceClass
  from .slice import Slice, SliceDeployments
  from .site import SitePrivilege, SiteDeployments
  from .userdeployments import UserDeployments
  from .image import Image, ImageDeployments
  from .node import Node
  from .serviceresource import ServiceResource
  from .slice import SliceRole
  from .slice import SlicePrivilege
  from .site import SiteRole
  from .site import SitePrivilege
  from .planetstack import PlanetStackRole
  from .planetstack import PlanetStackPrivilege
  from .slicetag import SliceTag
  from .flavor import Flavor
  from .sliver import Sliver
  from .reservation import ReservedResource
  from .reservation import Reservation
  from .network import Network, NetworkParameterType, NetworkParameter, NetworkSliver, NetworkTemplate, Router, NetworkSlice, NetworkDeployments
  from .billing import Account, Invoice, Charge, UsableObject, Payment
  
  
new_contents: from .plcorebase import PlCoreBase
  from .planetstack import PlanetStack
  from .project import Project
  from .singletonmodel import SingletonModel
  from .service import Service
  from .service import ServiceAttribute
  from .tag import Tag
  from .role import Role
  from .site import Site,Deployment, DeploymentRole, DeploymentPrivilege, SiteDeployments
  from .dashboard import DashboardView
  from .user import User, UserDashboardView
  from .serviceclass import ServiceClass
  from .slice import Slice, SliceDeployments
  from .site import SitePrivilege, SiteDeployments
  from .userdeployments import UserDeployments
  from .image import Image, ImageDeployments
  from .node import Node
  from .serviceresource import ServiceResource
  from .slice import SliceRole
  from .slice import SlicePrivilege
  from .credential import UserCredential,SiteCredential,SliceCredential
  from .site import SiteRole
  from .site import SitePrivilege
  from .planetstack import PlanetStackRole
  from .planetstack import PlanetStackPrivilege
  from .slicetag import SliceTag
  from .flavor import Flavor
  from .sliver import Sliver
  from .reservation import ReservedResource
  from .reservation import Reservation
  from .network import Network, NetworkParameterType, NetworkParameter, NetworkSliver, NetworkTemplate, Router, NetworkSlice, NetworkDeployments
  from .billing import Account, Invoice, Charge, UsableObject, Payment
  
  
subject: Add credentials module to core list