Error = 'TransParent.Error' # Exception
-class ManageOneChild():
+class ManageOneChild:
#
# Upcalls shared with other single-child parents
#
raise Error, 'delchild: not my child'
self.child = 0
-class TransParent() = ManageOneChild():
+class TransParent(ManageOneChild):
#
# Calls from creator
# NB derived classes may add parameters to create()
Error = 'TransParent.Error' # Exception
-class ManageOneChild():
+class ManageOneChild:
#
# Upcalls shared with other single-child parents
#
raise Error, 'delchild: not my child'
self.child = 0
-class TransParent() = ManageOneChild():
+class TransParent(ManageOneChild):
#
# Calls from creator
# NB derived classes may add parameters to create()