code: def query_keywords_empty(kind='1'):
          '''
          Query keywords, empty.
          '''
          return TabPost.select().where((TabPost.kind == kind) & (TabPost.keywords == '')f query_keywords_empty(kind='1'):
          '''
          Query keywords, empty.
          '''
          return TabPost.select().where((TabPost.kind == kind) & (TabPost.keywords == ''))
docs: Query keywords, empty.