download files instead of passing by link

main.py

@@ -1,7 +1,9 @@
 import asyncio
 import logging
 import os
+from io import BytesIO
 
+import httpx
 import redis.asyncio as aioredis
 from aiogram import Bot, Dispatcher
 from aiogram.types import Message
@@ -41,16 +43,20 @@ async def check_updates():
                 if post.file.url:
                     try:
                         logging.warning(post.file.url)
+                        async with httpx.AsyncClient() as client:
+                            io = BytesIO()
+                            file = io.write((await client.get(post.file.url)).content)
+                            file.name = f'file.{post.file.ext}'
                             if post.file.ext == 'webm':
                                 await bot.send_video(int(os.environ['SEND_CHAT']),
-                                                 post.file.url,
+                                                     file,
                                                      width=post.file.width,
                                                      height=post.file.height,
                                                      thumb=post.preview.url,
                                                      caption=caption)
                             else:
                                 await bot.send_photo(int(os.environ['SEND_CHAT']),
-                                                 post.file.url,
+                                                     file,
                                                      caption=caption)
                         await redis.sadd('e621:sent', post.id)
                     except exceptions.TelegramAPIError as e: