from bs4 import BeautifulSoup
import re
import urllib.parse
from urllib.parse import urljoin
import urllib.request


class HtmlParser(object):

    def _get_new_urls(self,page_url , soup):
        print("get_new_urls")
        new_urls = set()
        links = soup.find_all('a' , href=re.compile(r"/view/\d+\.htm"))
        for link in links:
            new_url = link['href']
            new_full_url = urllib.parse.urljoin(page_url,new_url)
            new_url.add(new_full_url)
        return new_urls

    def _get_new_dataa(self, page_url, soup):

        print("in parse def _get_new_data")

        res_data = {}

        # url

        res_data['url'] = page_url

        # <dd class="lemmaWgt-lemmaTitle-title"><h1>Python</h1>

        title_node = soup.find('dd', class_="lemmaWgt-lemmaTitle-title").find("h1")

        res_data['title'] = title_node.get_text()

        # <div class="lemma-summary" label-module="lemmaSummary">

        summary_node = soup.find('div', class_="lemma-summary")

        res_data['summary'] = summary_node.get_text()

        print ("get_over")

        return res_data

    def _get_new_data(self,page_url,soup):
        print("get_new_data")
        res_data = {}
        res_data['url'] = page_url
        title_node = soup.find('dd', attrs={"class":"lemmaWgt-lemmaTitle-title"}).find('h1')
        res_data['title'] = title_node.get_text()
        summary_node = soup.find('div', attrs={"class":"lemma-summary"})
        res_data['summary'] = summary_node.get_text()
        return res_data

    def parse(self,page_url,html_cont):
        print("parse")
        if page_url is None or html_cont is None:
            return

        soup = BeautifulSoup(html_cont,'html.parser',from_encoding='utf-8')
        new_urls = self._get_new_urls(page_url,soup)
        new_data = self._get_new_data(page_url, soup)
        return  new_urls,new_data

然后提示我错误

C:\Users\Administrator\AppData\Local\Programs\Python\Python35\python.exe D:/要用的/python/text/spider_main.py
Traceback (most recent call last):
  File "D:/要用的/python/text/spider_main.py", line 1, in <module>
    from text import url_manager, html_downloader, html_parser, html_outputer
  File "D:\要用的\python\text\html_parser.py", line 1, in <module>
    from bs4 import BeautifulSoup
  File "C:\Users\Administrator\AppData\Roaming\Python\Python35\site-packages\bs4\__init__.py", line 35, in <module>
    from .builder import builder_registry, ParserRejectedMarkup
  File "C:\Users\Administrator\AppData\Roaming\Python\Python35\site-packages\bs4\builder\__init__.py", line 7, in <module>
    from bs4.element import (
  File "C:\Users\Administrator\AppData\Roaming\Python\Python35\site-packages\bs4\element.py", line 1273
    def find(self, name: object = None, attrs: object = {}, recursive: object = True, text: object = None,
                ^
SyntaxError: non-default argument follows default argument

我不知道我的find函数哪里错了 提示我要添加变量不知道怎么弄 有没有人可以帮下我 麻烦了 很急