Update PassBook.java

programs/mutant-5/swen90006/passbook/PassBook.java

@@ -250,11 +250,11 @@ public class PassBook
 	Pair<String, String> pair = pt.get(url);
 
 	//if this returned nothing, the user does not have a login for this url
-	if (!(pair == null)) {
+	if (pair == null) {
 	    throw new NoSuchURLException(passbookUsername, url);
 	}
 
-	return pair;
+	return pt;
     }
 
     //A simple label to improve code readability