我对编程很陌生，所以如果我出错了，请不要生气。我将 pip 更新为最新版本（类似于 21.xx），并尝试安装 Detectron2 Git 存储库。但是任何与 pip 相关的东西（即使在检查它的版本时）我得到以下回溯：
Traceback (most recent call last):
File "/Users/user/opt/anaconda3/bin/pip", line 7, in <module>
from pip._internal.cli.main import main
File "/Users/user/opt/anaconda3/lib/python3.8/site-packages/pip/_internal/cli/main.py", line 8, in <module>
from pip._internal.cli.autocompletion import autocomplete
File "/Users/user/opt/anaconda3/lib/python3.8/site-packages/pip/_internal/cli/autocompletion.py", line 9, in <module>
from pip._internal.cli.main_parser import create_main_parser
File "/Users/user/opt/anaconda3/lib/python3.8/site-packages/pip/_internal/cli/main_parser.py", line 7, in <module>
from pip._internal.cli import cmdoptions
File "/Users/user/opt/anaconda3/lib/python3.8/site-packages/pip/_internal/cli/cmdoptions.py", line 22, in <module>
from pip._internal.cli.progress_bars import BAR_TYPES
File "/Users/user/opt/anaconda3/lib/python3.8/site-packages/pip/_internal/cli/progress_bars.py", line 9, in <module>
from pip._internal.utils.logging import get_indentation
File "/Users/user/opt/anaconda3/lib/python3.8/site-packages/pip/_internal/utils/logging.py", line 14, in <module> …