When Aunt Alexander finds out that Jem and Scout have attended Cal's church, what does she want Atticus to do about it?

When Aunt Alexandra finds out that Scout and Jem went to the black church with Calpurnia, she tries to forbid Scout from visiting Calpurnia's home. Moreover, she tries to make Atticus fire Calpurnia, but he refuses on the grounds that she's done an excellent job of running the house and raising the children, and the children love her.