[lgoweb] redirect to / on invalid key

web/api.py

@@ -50,7 +50,10 @@ def lookup(request):
     return HttpResponse(response, mimetype="text/plain")
 
 def redirect(request):
-    symbol = request.REQUEST['q']
+    try:
+        symbol = request.REQUEST['q']
+    except KeyError:
+        return HttpResponseRedirect('/')
     sqlcon = get_sqlconn()
     cur = sqlcon.cursor()
     cur.execute('select path from symbols where symbol = ? limit 1', (symbol,))