From cb794ee010c88c6dddb3a38608114f6bc0e4a3a0 Mon Sep 17 00:00:00 2001
From: pukkandan <pukkandan.ytdlp@gmail.com>
Date: Sun, 10 Jul 2022 17:08:14 +0530
Subject: [PATCH] Do not allow extractors to return `None`

---
 yt_dlp/YoutubeDL.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/yt_dlp/YoutubeDL.py b/yt_dlp/YoutubeDL.py
index 9408d5e59..85219ac95 100644
--- a/yt_dlp/YoutubeDL.py
+++ b/yt_dlp/YoutubeDL.py
@@ -86,6 +86,7 @@ from .utils import (
     YoutubeDLRedirectHandler,
     age_restricted,
     args_to_str,
+    bug_reports_message,
     date_from_str,
     determine_ext,
     determine_protocol,
@@ -1494,6 +1495,7 @@ class YoutubeDL:
     def __extract_info(self, url, ie, download, extra_info, process):
         ie_result = ie.extract(url)
         if ie_result is None:  # Finished already (backwards compatibility; listformats and friends should be moved here)
+            self.report_warning(f'Extractor {ie.IE_NAME} returned nothing{bug_reports_message()}')
             return
         if isinstance(ie_result, list):
             # Backwards compatibility: old IE result format