From 07e6f8e6edb61cdffff50b42c0a14b9b3bf32a03 Mon Sep 17 00:00:00 2001
From: neingeist <neingeist@bl0rg.net>
Date: Mon, 12 Nov 2018 08:42:08 +0100
Subject: [PATCH] do not return a file if we do not find a start file

---
 prolefeeder.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/prolefeeder.py b/prolefeeder.py
index cb10917..8236767 100644
--- a/prolefeeder.py
+++ b/prolefeeder.py
@@ -78,6 +78,8 @@ def prepare_download(form):
     for i, source in enumerate(sources):
         if source['start_time'] <= form.start_time.data < source['start_time'] + source['length']:
             start_index = i
+    if start_index is None:
+        return None
     sources = sources[start_index:]
 
     # Seek into the first file