timecode from sbv to srt

utils.py

@@ -8,7 +8,7 @@ def second_to_timecode(x: float) -> str:
     second, x = divmod(x, 1)
     millisecond = int(x * 1000.)
 
-    return '%.1d:%.2d:%.2d.%.3d' % (hour, minute, second, millisecond)
+    return '%.2d:%.2d:%.2d,%.3d' % (hour, minute, second, millisecond)
 
 
 def download_from_youtube(youtube_link: str) -> str: