求帮助，self.new_urls() = set()问题
Traceback (most recent call last):
File "C:\Users\Administrator\workspace\test\baike\spider_main.py", line 2, in <module>
from baike import url_manager, html_downloader, html_parser, html_outputer
File "C:\Users\Administrator\workspace\test\baike\url_manager.py", line 5
self.new_urls() = set()
SyntaxError: can't assign to function call
