From 248fc9fa1a0a67cc610b76d053e3f5d973d91700 Mon Sep 17 00:00:00 2001
From: Marvin Zhang <tikazyq@gmail.com>
Date: Wed, 8 May 2019 12:35:13 +0800
Subject: [PATCH] fixed analytics issue

---
 crawlab/routes/stats.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crawlab/routes/stats.py b/crawlab/routes/stats.py
index 319867f9..fe43e7a9 100644
--- a/crawlab/routes/stats.py
+++ b/crawlab/routes/stats.py
@@ -189,7 +189,7 @@ class StatsApi(BaseApi):
         date_cache = {}
         for item in cur:
             date_cache[item['_id']] = {
-                'duration': item['duration'] / 1000,
+                'duration': (item['duration'] or 0) / 1000,
                 'count': item['count']
             }
         start_date = datetime.now() - timedelta(31)