From bfdf32f87bab4b706a7e17a0c25a316f87c26590 Mon Sep 17 00:00:00 2001
From: Nate Coraor <nate@bx.psu.edu>
Date: Fri, 28 Jan 2022 14:40:44 -0500
Subject: [PATCH] Fix for the case where a job_conf.xml exists but no handlers
 are defined

---
 gravity/config_manager.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gravity/config_manager.py b/gravity/config_manager.py
index 9d67b2f..76ec02e 100644
--- a/gravity/config_manager.py
+++ b/gravity/config_manager.py
@@ -147,7 +147,7 @@ def get_job_config(conf):
         # FIXME: use galaxy job conf parsing I guess, if it's not a mess of slow loading deps
         rval = []
         root = elementtree.parse(conf).getroot()
-        for handler in root.find("handlers"):
+        for handler in (root.find("handlers") or []):
             rval.append({"service_name": handler.attrib["id"]})
         return rval