It can't find my `it` reference on my `filter` ```...

# getting-started

[gmaciel]

It can't find my it reference on my filter

fun getTimeLine(): Observable<Data> {
        return service.getTimeLine()
                .flatMap { Observable.from(it) }
                .filter { it.value != null}
                .toList()
                .map { Timeline(it) }

    }