[tumblr] Use unicode_literals

youtube_dl/extractor/tumblr.py

@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 import re
 
 from .common import InfoExtractor
@@ -9,11 +11,11 @@ from ..utils import (
 class TumblrIE(InfoExtractor):
     _VALID_URL = r'http://(?P<blog_name>.*?)\.tumblr\.com/((post)|(video))/(?P<id>\d*)/(.*?)'
     _TEST = {
-        u'url': u'http://tatianamaslanydaily.tumblr.com/post/54196191430/orphan-black-dvd-extra-behind-the-scenes',
-        u'file': u'54196191430.mp4',
-        u'md5': u'479bb068e5b16462f5176a6828829767',
-        u'info_dict': {
-            u"title": u"tatiana maslany news"
+        'url': 'http://tatianamaslanydaily.tumblr.com/post/54196191430/orphan-black-dvd-extra-behind-the-scenes',
+        'file': '54196191430.mp4',
+        'md5': '479bb068e5b16462f5176a6828829767',
+        'info_dict': {
+            "title": "tatiana maslany news"
         }
     }
 
@@ -28,18 +30,18 @@ class TumblrIE(InfoExtractor):
         re_video = r'src=\\x22(?P<video_url>http://%s\.tumblr\.com/video_file/%s/(.*?))\\x22 type=\\x22video/(?P<ext>.*?)\\x22' % (blog, video_id)
         video = re.search(re_video, webpage)
         if video is None:
-           raise ExtractorError(u'Unable to extract video')
+            raise ExtractorError('Unable to extract video')
         video_url = video.group('video_url')
         ext = video.group('ext')
 
         video_thumbnail = self._search_regex(r'posters(.*?)\[\\x22(?P<thumb>.*?)\\x22',
-            webpage, u'thumbnail', fatal=False)  # We pick the first poster
+            webpage, 'thumbnail', fatal=False)  # We pick the first poster
         if video_thumbnail: video_thumbnail = video_thumbnail.replace('\\', '')
 
         # The only place where you can get a title, it's not complete,
         # but searching in other places doesn't work for all videos
         video_title = self._html_search_regex(r'<title>(?P<title>.*?)(?: \| Tumblr)?</title>',
-            webpage, u'title', flags=re.DOTALL)
+            webpage, 'title', flags=re.DOTALL)
 
         return [{'id': video_id,
                  'url': video_url,