Remove captions from news feed

[vinny3777]

I am trying to remove captions from my news feed in calibre. how do i do this?

from calibre.web.feeds.news import BasicNewsRecipe

class AdvancedUserRecipe1402005755(BasicNewsRecipe):
    title          = u'NPR News'
    __author__ = 'Vincent DiPerna'
    oldest_article = 7
    max_articles_per_feed = 20
    remove_empty_feeds = True

    auto_cleanup = True
    auto_cleanup_keep = '//div[@class="thumbnail"]'
   

    feeds          = [

              (u'US News'             , u'http://www.npr.org/rss/rss.php?id=1003'                           )
             ,(u'World News'           , u'http://www.npr.org/rss/rss.php?id=1004'                     )
             ,(u'Business'             , u'http://www.npr.org/rss/rss.php?id=1006'        )
             ,(u'Technology'    , u'http://www.npr.org/rss/rss.php?id=1019'                 )
             ,(u'Sports'             , u'http://www.npr.org/rss/rss.php?id=1055'                       )
             ,(u'Space'            , u'http://www.npr.org/rss/rss.php?id=1026'                 )
             ,(u'Environment'          , u'http://www.npr.org/rss/rss.php?id=1025'       )
             ,(u'Education'             , u'http://www.npr.org/rss/rss.php?id=1013'              )
           
]