From 94849d564580157085c0dfbc450ae4fea3e4201f Mon Sep 17 00:00:00 2001
From: Cyper <cyperwu@gmail.com>
Date: Tue, 21 Aug 2018 16:49:19 +0800
Subject: [PATCH] avoid problem #69

Renaming variables should not accept null strings since renaming must provide a new name.
---
 script/tern.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/script/tern.py b/script/tern.py
index a522a6a..53dd315 100644
--- a/script/tern.py
+++ b/script/tern.py
@@ -414,6 +414,7 @@ def __ne__(self, other):
   return K
 
 def tern_rename(newName):
+  if not newName: return
   data = tern_runCommand({"type": "rename", "newName": newName}, fragments=False)
   if data is None: return