Fixed kmb again for schedules

datasources/kmb/schedules.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-    "net/http"
 	"path/filepath"
 	"time"
 
@@ -35,16 +34,12 @@ func getSchedule( r *RouteStop ) ( *[] *Schedule, error ) {
 	)
 
 	QUERY_FUNC := func() (io.ReadCloser, error) {
-        resp, err := http.Get( fmt.Sprintf(
+		return utils.HttpGet(fmt.Sprintf(
 			"https://data.etabus.gov.hk/v1/transport/kmb/eta/%s/%s/%s",
 			r.BusStop.BusStopId,
 			r.RouteId,
 			r.ServiceType,
 		))
-        if err != nil {
-            return nil, err
-        }
-        return resp.Body, nil
 	}
 
 	buff, err := utils.CacheStream(CACHE_PATH, QUERY_FUNC, 60)