Download videos too, prioritize video over image

scraper/block.py

@@ -1,5 +1,5 @@
 from py34 import Post
-from py34.url import ImageURL, IMAGE_FORMATS
+from py34.url import ImageURL, IMAGE_FORMATS, VIDEO_FORMATS
 from py34.scraper import scraper
 from typing import IO
 from io import BytesIO
@@ -193,7 +193,7 @@ class BlockEntry:
         self.thumbnail = post.get_thumbnail_data()
 
         if self.type is None:
-            for ext in IMAGE_FORMATS:
+            for ext in VIDEO_FORMATS + IMAGE_FORMATS:
                 image_url = ImageURL(post.image_dir, post.image_id, ext)
                 status: int = None
                 # CDN tends to return 503 : Service Unavailable