yt_dlp/downloader/dash.py

@@ -16,10 +16,10 @@ class DashSegmentsFD(FragmentFD):
 
     def real_download(self, filename, info_dict):
         if set(info_dict['protocol'].split('+')) == {'http_dash_segments_generator'}:
-            real_downloader = None  # No external FD can support --live-from-start
+            real_downloader = None
-        else:
+        elif info_dict.get('is_live'):
-            if info_dict.get('is_live'):
             self.report_error('Live DASH videos are not supported')
+        else:
             real_downloader = get_suitable_downloader(
                 info_dict, self.params, None, protocol='dash_frag_urls', to_stdout=(filename == '-'))