From 1bcc8c6433c29cc6846ccc9452c0fc58421111b7 Mon Sep 17 00:00:00 2001
From: Xibo Ning <xning@redhat.com>
Date: Sep 21 2016 13:57:57 +0000
Subject: have koji to gracefully hanle noneexistent tasks


---

diff --git a/cli/koji b/cli/koji
index 9cfae79..4b5a23d 100755
--- a/cli/koji
+++ b/cli/koji
@@ -4415,6 +4415,10 @@ def _printTaskInfo(session, task_id, level=0, recurse=True, verbose=True):
     indent = " "*2*level
 
     info = session.getTaskInfo(task_id)
+
+    if info is None:
+        raise koji.GenericError, "No such task: %d" % task_id
+
     if info['host_id']:
         host_info = session.getHost(info['host_id'])
     else: