Fixed retrieving deleted videos

.flake8

@@ -5,3 +5,4 @@ exclude =
     00*.py,  # migrations
 ignore =
     F401
+    W504

apps/youtube/utils.py

 # encoding=utf-8
 import json
-import dateutil.parser
-import requests
 import logging
-from datetime import date
 from collections import namedtuple
+from datetime import date
 
+import dateutil.parser
+import isodate
+import requests
 from django.conf import settings
 from django.db.models import F
-import isodate
 
 from apps import redis, client
 from apps.core.models import Counter
@@ -189,12 +189,19 @@ def load_extra_data(ids):
 
             for video_data in data['items']:
 
+                snippet = video_data['snippet']
+
+                if (snippet["title"] == "Deleted video" and
+                        snippet["description"] == "This video is unavailable." and
+                        "contentDetails" not in video_data):
+                    continue
+
                 data = {
-                    "description": video_data['snippet']['description'],
-                    "thumbnail": parse_thumbnail(video_data['snippet']['thumbnails']),
+                    "description": snippet['description'],
+                    "thumbnail": parse_thumbnail(snippet['thumbnails']),
                     "quality": video_data['contentDetails']['definition'].upper(),
                     "captions": parse_captions(video_data['contentDetails']['caption']),
-                    "title": video_data['snippet']['title'],
+                    "title": snippet['title'],
                     "duration": parse_duration(video_data['contentDetails']['duration'])
                 }