From 5408cf52c727d8941e53a7a1adf8e51ae23b1ba2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoph=20Sch=C3=BCtte?= <cschuet@google.com>
Date: Thu, 2 Nov 2017 10:20:18 +0100
Subject: [PATCH] Fix bug in extract_last_occurence (#568)

---
 jenkins/worker.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jenkins/worker.py b/jenkins/worker.py
index 4ea8d1f..0f84530 100644
--- a/jenkins/worker.py
+++ b/jenkins/worker.py
@@ -40,7 +40,7 @@ class Pattern(object):
     None if no match was found.
     """
     matches = self.regex.findall(text)
-    if matches:
+    if not matches:
       return None
     return matches[-1]