From a48716ad007352d7e79511e91450569811107910 2015-12-21 12:13:53
From: Ben Kasel <bkasel.edu@gmail.com>
Date: 2015-12-21 12:13:53
Subject: [PATCH] - Added a fallback to urllib2 for python2
- included urlopen call in a try/except block to avoid crash
when no internet connection is available

---

diff --git a/IPython/lib/display.py b/IPython/lib/display.py
index 4cdedc4..b0176ff 100644
--- a/IPython/lib/display.py
+++ b/IPython/lib/display.py
@@ -263,8 +263,14 @@ class YouTubeVideo(IFrame):
         super(YouTubeVideo, self).__init__(src, width, height, **kwargs)
     
     def _repr_jpeg_(self):
-        from urllib import urlopen
-        return urlopen("https://img.youtube.com/vi/{id}/hqdefault.jpg".format(id=self.id)).read()
+        try:
+            from urllib.request import urlopen  # Py3
+        except ImportError:
+            from urllib2 import urlopen
+        try:
+            return urlopen("https://img.youtube.com/vi/{id}/hqdefault.jpg".format(id=self.id)).read()
+        except IOError:
+            return None
 
 class VimeoVideo(IFrame):
     """