Attempt to fix unknown bug where telethon disconnects without reconnecting

example_config.yaml

@@ -11,7 +11,7 @@ config:
     storage_chat: -1001222674489
     storage_message_id: 1367
     send_to_chats:
-        gooanimemes:
+        goodanimemes:
             subreddits:
                 - goodanimemes
             cron_duration: 0 * * * *

redditbot.py

@@ -98,9 +98,9 @@ async def main():
         async def start_post():
             while True:
                 random.shuffle(subreddits)
-                for subreddit_name in subreddits:
+                def _get_submission_blocc():
-                    subreddit = reddit.subreddit(subreddit_name)
                     while True:
+                        subreddit = reddit.subreddit(random.choice(subreddits))
                         random_post = subreddit.random()
                         cpid = cpp = None
                         if random_post is None:
@@ -156,11 +156,9 @@ async def main():
                                 continue
                         chat_sp.append(cpid or random_post.id)
                         print(random_post.id, random_post.shortlink)
-                        break
+                        return random_post, cpp
-                    else:
-                        continue
-                    break
                 try:
+                    random_post, cpp = await client.loop.run_in_executor(_get_submission_blocc)
                     await _actual_start_post(random_post, [chat], cpp, show_nsfw_warning, show_spoilers_warning)
                 except Exception:
                     logging.exception(random_post.id)
@@ -191,7 +189,7 @@ async def main():
 
     async def _download_file(filename, url):
         print(url)
-        async with session.get(url) as resp:
+        async with session.get(url, timeout=None) as resp:
             with open(filename, 'wb') as file:
                 while True:
                     chunk = await resp.content.read(10)