old_contents: from .items import Site, Node
  from .templaters import Templater, SimpleTemplater
  from .scanners import empty_scanner, filesystem_scanner
  from .routers import simple_router
new_contents: __import__('pkg_resources').declare_namespace(__package__)
  
  from .items import Site, Node
  from .templaters import Templater, SimpleTemplater
  from .scanners import empty_scanner, filesystem_scanner
  from .routers import simple_router
subject: Allow namespace packaging