@gensim.utils.synchronous('<STR_LIT>')<EOL><INDENT>def delete(self, docids):<DEDENT>
logger.info("<STR_LIT>" % len(docids))<EOL>for index in [self.opt_index, self.fresh_index]:<EOL><INDENT>if index is not None:<EOL><INDENT>index.delete(docids)<EOL><DEDENT><DEDENT>self.flush(save_index=True)<EOL>
Delete specified documents from the index.