def get_registered_auth_backends():
 warn(u'reviewboard.accounts.backends.get_registered_auth_backends() is deprecated. Iterate over reviewboard.accounts.backends.auth_backends instead.', DeprecationWarning)
 for backend in auth_backends:
  (yield backend)

def get_registered_auth_backends ( ) : warn ( u'reviewboard.accounts.backends.get_registered_auth_backends() is deprecated. Iterate over reviewboard.accounts.backends.auth_backends instead.' , DeprecationWarning ) for backend in auth_backends : ( yield backend )
yield all registered review board authentication backends .