def validate(self):
    'Validates the SubtopicPageContentsObject, verifying that all\n        fields are of the correct type.\n        '
    self.subtitled_html.validate()
    content_ids = set([self.subtitled_html.content_id])
    self.recorded_voiceovers.validate(content_ids)
    self.written_translations.validate(content_ids)
Validates the SubtopicPageContentsObject, verifying that all
fields are of the correct type.
def validate(self):
    'Validates the SubtopicPageContentsObject, verifying that all\n        fields are of the correct type.\n        '
    self.subtitled_html.validate()
    content_ids = set([self.subtitled_html.content_id])
    self.recorded_voiceovers.validate(content_ids)
    self.written_translations.validate(content_ids)