Sleep before subtitle downloads

tubesync/tubesync/settings.py

@@ -203,6 +203,7 @@ YOUTUBE_DEFAULTS = {
     'updatetime': True,     # Set mtime in recent versions
     'update_self': False,   # Updates are handled by pip
     'geo_verification_proxy': getenv('geo_verification_proxy').strip() or None,
+    'sleep_interval_subtitles': (60)*3,
     'max_sleep_interval': (60)*5,
     'sleep_interval': 0.25,
     'extractor_args': {