fix youtube dl timeout

kabot/kabot/kabot.py

@@ -16,6 +16,8 @@ import requests
 import youtube_dl
 import configparser
 import argparse
+import typing
+import functools
 
 from bs4 import BeautifulSoup as bs
 from discord.ext import tasks, commands
@@ -40,6 +42,7 @@ stream_handler = logging.StreamHandler()
 stream_handler.setLevel(logging.INFO)
 logger.addHandler(stream_handler)
 
+
 class Mybot(commands.Cog):
     #Fonctions necesaires pour Kabot.
     def __init__(
@@ -348,11 +351,12 @@ class Mybot(commands.Cog):
                     }],
                     }
         with youtube_dl.YoutubeDL(ydl_opts) as ydl:
-            ydl.download([url])
             info_dict = ydl.extract_info(url, download=False)
             out_file = ydl.prepare_filename(info_dict)
             extension = out_file.split('.')[-1]
             out_file = out_file.replace(extension, 'mp3')
+            if not os.path.isfile(out_file):
+                await asyncio.get_running_loop().run_in_executor(None, ydl.download,[url])
         self.sounds.append((out_file, ctx))
 
     @commands.command()