我无法安装pygame，这给我一个错误，我试图在VSC（MacOS）终端中使用“ python3 -m pip install -U pygame --user”。你们有什么主意吗？
Traceback (most recent call last):
File "/Users/sam/anaconda3/bin/pip", line 7, in <module>
from pip._internal import main
File "/Users/sam/anaconda3/lib/python3.7/site-
packages/pip/_internal/__init__.py", line 19, in
<module>
from pip._vendor.urllib3.exceptions import
DependencyWarning
File "/Users/sam/anaconda3/lib/python3.7/site-
packages/pip/_vendor/urllib3/__init__.py", line 8, in
<module>
from .connectionpool import (
File "/Users/sam/anaconda3/lib/python3.7/site-
packages/pip/_vendor/urllib3/connectionpool.py", line
11, in <module>
from .exceptions import (
File "/Users/sam/anaconda3/lib/python3.7/site-
packages/pip/_vendor/urllib3/exceptions.py", line 2, in
<module>
from .packages.six.moves.http_client import (
File "/Users/sam/anaconda3/lib/python3.7/site-
packages/pip/_vendor/urllib3/packages/six.py", line 203,
in load_module
mod = mod._resolve()
File "/Users/sam/anaconda3/lib/python3.7/site-
packages/pip/_vendor/urllib3/packages/six.py", line 115,
in _resolve
return _import_module(self.mod)
File "/Users/sam/anaconda3/lib/python3.7/site-
packages/pip/_vendor/urllib3/packages/six.py", line 82,
in _import_module
__import__(name)
File "/Users/sam/anaconda3/lib/python3.7/http/client.py",
line 72, in <module>
import email.message
File
"/Users/sam/anaconda3/lib/python3.7/email/message.py",
line 19, in <module>
from email._encoded_words import decode_b
ModuleNotFoundError: No module named
'email._encoded_words'