commit 1163fb9be08c6072455b59d6f954e60662d18e75
author Serhiy Storchaka <storchaka@gmail.com> Sat Sep 30 22:52:25 2017 +0300
committer GitHub <noreply@github.com> Sat Sep 30 22:52:25 2017 +0300
tree b5dfd0c6dfe971ec9f762c8d3733b21770ac16a0
parent 40d736bcf40c10aa5fc7d6cc305a6641afd3cd0e

[2.7] bpo-31627: Make test_mailbox be lenient to empty hostname. (GH-3821) (#3838)

(cherry picked from commit f4ea642cb60556231e714089a79d3c59c202661e)

Lib/test/test_mailbox.py

diff --git a/Lib/test/test_mailbox.py b/Lib/test/test_mailbox.py
index 2261bb8..f8db5d5 100644
--- a/Lib/test/test_mailbox.py
+++ b/Lib/test/test_mailbox.py
@@ -654,7 +654,7 @@
             hostname = hostname.replace(':', r'\072')
         pid = os.getpid()
         pattern = re.compile(r"(?P<time>\d+)\.M(?P<M>\d{1,6})P(?P<P>\d+)"
-                             r"Q(?P<Q>\d+)\.(?P<host>[^:/]+)")
+                             r"Q(?P<Q>\d+)\.(?P<host>[^:/]*)")
         previous_groups = None
         for x in xrange(repetitions):
             tmp_file = self._box._create_tmp()