line 13, Observable is now replaced with Rx

[paul77uk]

[rustkas]

login_bloc

src/blocs/bloc.dart

rxdart 0.23.0 Extension Methods replace Observable class!

Just do it!

-     Observable.combineLatest2(email, password, (e, p) => true);
+     Rx.combineLatest2(email, password, (e, p) => true);