From c37cc75374c8241e9b05972ce5c337e22aa7bec0 Mon Sep 17 00:00:00 2001
From: nic-chen <johz@163.com>
Date: Sat, 25 Apr 2020 22:26:13 +0800
Subject: [PATCH] fix: lint error

---
 apisix/admin/upstreams.lua | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/apisix/admin/upstreams.lua b/apisix/admin/upstreams.lua
index 9df82d5994b50..1b9da1f3fb64e 100644
--- a/apisix/admin/upstreams.lua
+++ b/apisix/admin/upstreams.lua
@@ -19,7 +19,6 @@ local get_routes = require("apisix.router").http_routes
 local get_services = require("apisix.http.service").services
 local tostring = tostring
 local ipairs = ipairs
-local tonumber = tonumber
 local type = type
 
 
@@ -99,7 +98,7 @@ local function check_conf(id, conf, need_id)
     if need_id and conf.id and tostring(conf.id) ~= tostring(id) then
         return nil, {error_msg = "wrong upstream id"}
     end
-    
+
     core.log.info("schema: ", core.json.delay_encode(core.schema.upstream))
     core.log.info("conf  : ", core.json.delay_encode(conf))