Don't crash on missing parameter

diff --git a/pgcommitfest/commitfest/ajax.py b/pgcommitfest/commitfest/ajax.py
index e334c57cf9eb74e631db0ba36c2619de0ce62739..e2fcb55e1666095b558c9a7dfb83e5abad2ad0c9 100644 (file)
--- a/pgcommitfest/commitfest/ajax.py
+++ b/pgcommitfest/commitfest/ajax.py
@@ -64,6 +64,8 @@ def getThreads(request):
 
 
 def getMessages(request):
+    if 't' not in request.GET:
+        raise Http404("Missing parameter")
     threadid = request.GET['t']
 
     thread = MailThread.objects.get(pk=threadid)