bugfix: catch dns not found error

deploy/datasets/index.js

@@ -169,8 +169,8 @@ datasetsRouter.get('/kgInfo', checkKgQuery, cacheMaxAge24Hr, async (req, res) =>
   const { kgId } = req.query
   const { user } = req
   try{
-    const stream = await getDatasetFromId({ user, kgId, returnAsStream: true }).on('error', getHandleErrorFn(req, res))
-    stream.pipe(res)
+    const stream = await getDatasetFromId({ user, kgId, returnAsStream: true })
+    stream.on('error', getHandleErrorFn(req, res)).pipe(res)
   }catch(e){
     getHandleErrorFn(req, res)(e)
   }