old_contents: import couchdbkit
  
  class Video(couchdbkit.Document):
      """
      """
      title = couchdbkit.StringProperty()
      description = couchdbkit.StringProperty()
      owner = couchdbkit.StringProperty()
      userid = couchdbkit.StringProperty()
      tags = couchdbkit.StringListProperty()
      comments = couchdbkit.ListProperty()
      created = couchdbkit.DateTimeProperty()
      metadata = couchdbkit.DictProperty()
  
new_contents: import couchdbkit
  
  class Video(couchdbkit.Document):
      """
      """
      title = couchdbkit.StringProperty()
      description = couchdbkit.StringProperty()
      owner = couchdbkit.StringProperty()
      userid = couchdbkit.StringProperty()
      tags = couchdbkit.StringListProperty()
      comments = couchdbkit.ListProperty()
      created = couchdbkit.DateTimeProperty()
      #metadata = couchdbkit.DictProperty()
  
subject: remove metadata from models.video