Python错误：无法从“字符串”导入名称“ascii字母”

Question

我无法将数据从pdf提取到python表格式，这会给我带来很多错误

这是我的代码：

from tabula import read_pdf
url="https://www.dsf.unica.it/~fiore/BasicPlanetaryData.pdf"
try:
    df=read_pdf(url)
    print(df)
except Exception as e:
    print("Error{}".format(e))

错误是：

Traceback (most recent call last):
  File "C:\Users\Mukesh Nayal\pycharm project\Python\pdftotext.py", line 1, in <module>
    from tabula import read_pdf
  File "C:\Users\Mukesh Nayal\AppData\Local\Programs\Python\Python39\lib\site-packages\tabula\__init__.py", line 1, in <module>
    from pkg_resources import DistributionNotFound, get_distribution
  File "C:\Users\Mukesh Nayal\AppData\Local\Programs\Python\Python39\lib\site-packages\pkg_resources\__init__.py", line 33, in <module>
    import email.parser
  File "C:\Users\Mukesh Nayal\AppData\Local\Programs\Python\Python39\lib\email\parser.py", line 12, in <module>
    from email.feedparser import FeedParser, BytesFeedParser
  File "C:\Users\Mukesh Nayal\AppData\Local\Programs\Python\Python39\lib\email\feedparser.py", line 27, in <module>
    from email._policybase import compat32
  File "C:\Users\Mukesh Nayal\AppData\Local\Programs\Python\Python39\lib\email\_policybase.py", line 7, in <module>
    from email import header
  File "C:\Users\Mukesh Nayal\AppData\Local\Programs\Python\Python39\lib\email\header.py", line 16, in <module>
    import email.quoprimime
  File "C:\Users\Mukesh Nayal\AppData\Local\Programs\Python\Python39\lib\email\quoprimime.py", line 44, in <module>
    from string import ascii_letters, digits, hexdigits
ImportError: cannot import name 'ascii_letters' from 'string' (C:\Users\Mukesh Nayal\pycharm project\Python\string.py)