Add 5XX http code handling

twitch.py

@@ -856,9 +856,15 @@ class Twitch:
         for attempt in range(attempts):
             logger.debug(f"Request: ({method=}, {url=}, {attempts=}, {kwargs=})")
             try:
-                async with session.request(method, url, **kwargs) as response:
-                    logger.debug(f"Response: {response.status}: {response}")
-                    yield response
+                while True:
+                    async with session.request(method, url, **kwargs) as response:
+                        logger.debug(f"Response: {response.status}: {response}")
+                        if response.status >= 500:
+                            self.print("Twitter is down, retrying in 120 seconds...")
+                            await asyncio.sleep(120)
+                            continue
+                        yield response
+                        break
                 return
             except aiohttp.ClientConnectionError as exc:
                 cause = exc