From aff33ea8969a477e9e02ef4be00872685ba1ca72 Mon Sep 17 00:00:00 2001
From: Adam Tauber <asciimoo@gmail.com>
Date: Sat, 10 Jan 2015 15:27:42 +0100
Subject: [PATCH] [fix] autocompleter error handling

---
 searx/webapp.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/searx/webapp.py b/searx/webapp.py
index 93af0508..f0a1eeb2 100644
--- a/searx/webapp.py
+++ b/searx/webapp.py
@@ -343,14 +343,14 @@ def autocompleter():
 
     # check if search query is set
     if not query.getSearchQuery():
-        return
+        return '', 400
 
     # run autocompleter
     completer = autocomplete_backends.get(request.cookies.get('autocomplete'))
 
     # check if valid autocompleter is selected
     if not completer:
-        return
+        return '', 400
 
     # run autocompletion
     raw_results = completer(query.getSearchQuery())