[udemy] Allow authentication via cookies

diff --git a/youtube_dl/extractor/udemy.py b/youtube_dl/extractor/udemy.py
index 9d31a3f5bbbf5528b2b541d46a720d3070b277b0..e743c0262c90aa351e94ded3754f938b64b87175 100644 (file)
--- a/youtube_dl/extractor/udemy.py
+++ b/youtube_dl/extractor/udemy.py
@@ -72,7 +72,7 @@ class UdemyIE(InfoExtractor):
     def _login(self):
         (username, password) = self._get_login_info()
         if username is None:
-            self.raise_login_required('Udemy account is required')
+            return
 
         login_popup = self._download_webpage(
             self._LOGIN_URL, None, 'Downloading login popup')