Don't throw HTTPError on 304 responses

index.js

@@ -126,7 +126,7 @@ function asPromise(opts) {
 						}
 					}
 
-					if (statusCode < 200 || statusCode > limitStatusCode) {
+					if (statusCode !== 304 && (statusCode < 200 || statusCode > limitStatusCode)) {
 						throw new got.HTTPError(statusCode, opts);
 					}
 
@@ -185,7 +185,7 @@ function asStream(opts) {
 
 		res.pipe(output);
 
-		if (statusCode < 200 || statusCode > 299) {
+		if (statusCode !== 304 && (statusCode < 200 || statusCode > 299)) {
 			proxy.emit('error', new got.HTTPError(statusCode, opts), null, res);
 			return;
 		}