参考资料：
《ImportError: cannot import name BeautifulSoup（点这里就对了）》

问题

import bs4
from  bs4 import BeautifulSoup
file= open(r"C:\Users\lord\Desktop\b.html","rb")
html=file.read()
bs=BeautifulSoup(html,"html.parser")

print(bs.title)
输出结果：
Traceback (most recent call last):
  File "D:\PycharmProjects\pythonProject\douban\test1\bs4.py", line 6, in <module>
    import bs4
  File "D:\PycharmProjects\pythonProject\douban\test1\bs4.py", line 7, in <module>
    from bs4 import BeautifulSoup
ImportError: cannot import name 'BeautifulSoup' from partially initialized module 'bs4' (most likely due to a circular import) (D:\PycharmProjects\pythonProject\douban\test1\bs4.py)

解决办法：

重命名“bs4.py”文件，这里用“bs4”命名工程名，与模组“bs4.py”冲突了

import bs4
from bs4 import BeautifulSoup
file= open(r"C:\Users\lord\Desktop\b.html","rb")
html=file.read()
bs=BeautifulSoup(html,"html.parser")

print(bs.title)

测试正常：

输出结果：

<title>百度一下，你就知道</title>

Process finished with exit code 0