#NEWLINE# def remove_group_role( request , role , group , domain = None , project = None ) : #NEWLINE# #INDENT# ' Removes a given single role for a group from a domain or project. ' #NEWLINE# manager = keystoneclient ( request , admin = True ) . roles #NEWLINE# return manager . revoke ( role = role , group = group , project = project , domain = domain )