- raise ChildRightsNotSubsetOfParent(("Parent cred ref %s rights " % parent_cred.get_refid()) +
- self.parent.get_privileges().save_to_string() + (" not superset of delegated cred %s ref %s rights " % \
- (self.get_summary_tostring(), self.get_refid())) +
- self.get_privileges().save_to_string())
+ raise ChildRightsNotSubsetOfParent(
+ "Parent cred (ref {}) rights {} "
+ .format(parent_cred.get_refid(),
+ self.parent.get_privileges().save_to_string())
+ + " not superset of delegated cred %s (ref %s) rights {}"
+ .format(self.pretty_cred(), self.get_refid(),
+ self.get_privileges().save_to_string()))