diff --git a/youtube_dl/extractor/tutv.py b/youtube_dl/extractor/tutv.py
index 4e404fbf59..c980153ec9 100644
--- a/youtube_dl/extractor/tutv.py
+++ b/youtube_dl/extractor/tutv.py
@@ -1,3 +1,4 @@
+from __future__ import unicode_literals
 import base64
 import re
 
@@ -6,15 +7,16 @@ from ..utils import (
     compat_parse_qs,
 )
 
+
 class TutvIE(InfoExtractor):
-    _VALID_URL=r'https?://(?:www\.)?tu\.tv/videos/(?P<id>[^/?]+)'
+    _VALID_URL = r'https?://(?:www\.)?tu\.tv/videos/(?P<id>[^/?]+)'
     _TEST = {
-        u'url': u'http://tu.tv/videos/noah-en-pabellon-cuahutemoc',
-        u'file': u'2742556.flv',
-        u'md5': u'5eb766671f69b82e528dc1e7769c5cb2',
-        u'info_dict': {
-            u"title": u"Noah en pabellon cuahutemoc"
-        }
+        'url': 'http://tu.tv/videos/noah-en-pabellon-cuahutemoc',
+        'file': '2742556.flv',
+        'md5': '5eb766671f69b82e528dc1e7769c5cb2',
+        'info_dict': {
+            'title': 'Noah en pabellon cuahutemoc',
+        },
     }
 
     def _real_extract(self, url):
@@ -22,18 +24,15 @@ class TutvIE(InfoExtractor):
         video_id = mobj.group('id')
 
         webpage = self._download_webpage(url, video_id)
-        internal_id = self._search_regex(r'codVideo=([0-9]+)', webpage, u'internal video ID')
+        internal_id = self._search_regex(r'codVideo=([0-9]+)', webpage, 'internal video ID')
 
-        data_url = u'http://tu.tv/flvurl.php?codVideo=' + str(internal_id)
-        data_content = self._download_webpage(data_url, video_id, note=u'Downloading video info')
+        data_url = 'http://tu.tv/flvurl.php?codVideo=' + str(internal_id)
+        data_content = self._download_webpage(data_url, video_id, note='Downloading video info')
         data = compat_parse_qs(data_content)
         video_url = base64.b64decode(data['kpt'][0]).decode('utf-8')
-        ext = video_url.partition(u'?')[0].rpartition(u'.')[2]
 
-        info = {
+        return {
             'id': internal_id,
             'url': video_url,
-            'ext': ext,
             'title': self._og_search_title(webpage),
         }
-        return [info]