From dfd5cb1d3e34048593ba537dacdbef08fe766624 2014-03-03 23:16:21
From: Thomas Kluyver <takowl@gmail.com>
Date: 2014-03-03 23:16:21
Subject: [PATCH] Merge pull request #5265 from ellisonbg/timeout-error

Missing class def for TimeoutError
---

diff --git a/IPython/html/tests/launchnotebook.py b/IPython/html/tests/launchnotebook.py
index 3666a0c..c9a5ee8 100644
--- a/IPython/html/tests/launchnotebook.py
+++ b/IPython/html/tests/launchnotebook.py
@@ -16,6 +16,11 @@ from IPython.utils.tempdir import TemporaryDirectory
 MAX_WAITTIME = 30   # seconds to wait for notebook server to start
 POLL_INTERVAL = 0.1 # time between attempts
 
+# TimeoutError is a builtin on Python 3. This can be removed when we stop
+# supporting Python 2.
+class TimeoutError(Exception):
+    pass
+
 class NotebookTestBase(TestCase):
     """A base class for tests that need a running notebook.