)
-class CBSBaseIE(ThePlatformFeedIE):
+class CBSBaseIE(ThePlatformFeedIE): # XXX: Do not subclass from concrete IE
def _parse_smil_subtitles(self, smil, namespace=None, subtitles_lang='en'):
subtitles = {}
for k, ext in [('sMPTE-TTCCURL', 'tt'), ('ClosedCaptionURL', 'ttml'), ('webVTTCaptionURL', 'vtt')]: