fix chunked example

examples/responses/Cargo.toml

@@ -8,4 +8,4 @@ actix-web = "2.0"
 actix-rt = "1.0"
 serde = "1.0"
 futures = "0.3.1"
-bytes = "0.4"
+bytes = "0.5"

examples/responses/src/chunked.rs

@@ -1,12 +1,11 @@
 // <chunked>
-use actix_web::{web, HttpRequest, HttpResponse};
+use actix_web::{web, HttpRequest, HttpResponse, Error};
 use bytes::Bytes;
 use futures::future::ok;
 use futures::stream::once;
 
 async fn index(req: HttpRequest) -> HttpResponse {
     HttpResponse::Ok()
-        .chunked()
         .streaming(once(ok::<_, Error>(Bytes::from_static(b"data"))))
 }
 // </chunked>
@@ -17,6 +16,5 @@ pub fn main() {
     HttpServer::new(|| App::new().route("/", web::get().to(index)))
         .bind("127.0.0.1:8088")
         .unwrap()
-        .run()
-        .unwrap();
+        .run();
 }