输入pip install wordcloud后，就出现了这个
Traceback (most recent call last):
File "d:\python3.8.3\lib\runpy.py", line 194, in _run_module_as_main
return _run_code(code, main_globals, None,
File "d:\python3.8.3\lib\runpy.py", line 87, in _run_code
exec(code, run_globals)
File "D:\python3.8.3\Scripts\pip.exe\__main__.py", line 5, in <module>
File "d:\python3.8.3\lib\site-packages\pip\_internal\__init__.py", line 40, in <module>
from pip._internal.cli.autocompletion import autocomplete
File "d:\python3.8.3\lib\site-packages\pip\_internal\cli\autocompletion.py", line 8, in <module>
from pip._internal.cli.main_parser import create_main_parser
File "d:\python3.8.3\lib\site-packages\pip\_internal\cli\main_parser.py", line 7, in <module>
from pip._internal.cli import cmdoptions
File "d:\python3.8.3\lib\site-packages\pip\_internal\cli\cmdoptions.py", line 24, in <module>
from pip._internal.models.search_scope import SearchScope
File "d:\python3.8.3\lib\site-packages\pip\_internal\models\search_scope.py", line 11, in <module>
from pip._internal.utils.misc import normalize_path, redact_password_from_url
File "d:\python3.8.3\lib\site-packages\pip\_internal\utils\misc.py", line 21, in <module>
from pip._vendor import pkg_resources
File "d:\python3.8.3\lib\site-packages\pip\_vendor\pkg_resources\__init__.py", line 84, in <module>
__import__('pip._vendor.packaging.requirements')
File "d:\python3.8.3\lib\site-packages\pip\_vendor\packaging\requirements.py", line 9, in <module>
from pip._vendor.pyparsing import stringStart, stringEnd, originalTextFor, ParseException
File "d:\python3.8.3\lib\site-packages\pip\_vendor\pyparsing.py", line 5257, in <module>
_escapedPunc = Word( _bslash, r"\[]-*.$+^?()~ ", exact=2 ).setParseAction(lambda s,l,t:t[0][1])
File "d:\python3.8.3\lib\site-packages\pip\_vendor\pyparsing.py", line 1442, in setParseAction
self.parseAction = list(map(_trim_arity, list(fns)))
File "d:\python3.8.3\lib\site-packages\pip\_vendor\pyparsing.py", line 1211, in _trim_arity
this_line = extract_stack(limit=2)[-1]
File "d:\python3.8.3\lib\site-packages\pip\_vendor\pyparsing.py", line 1195, in extract_stack
frame_summary = traceback.extract_stack(limit=-offset+limit-1)[offset]
File "d:\python3.8.3\lib\traceback.py", line 211, in extract_stack
stack = StackSummary.extract(walk_stack(f), limit=limit)
File "d:\python3.8.3\lib\traceback.py", line 366, in extract
f.line
File "d:\python3.8.3\lib\traceback.py", line 288, in line
self._line = linecache.getline(self.filename, self.lineno).strip()
File "d:\python3.8.3\lib\linecache.py", line 16, in getline
lines = getlines(filename, module_globals)
File "d:\python3.8.3\lib\linecache.py", line 47, in getlines
return updatecache(filename, module_globals)
File "d:\python3.8.3\lib\linecache.py", line 136, in updatecache
with tokenize.open(fullname) as fp:
AttributeError: module 'tokenize' has no attribute 'open'
我怎么也不能解决，网上查了好多，还是不知道怎么解决，求大佬康康我，救救小老弟吧
