升级 pip 失败：尝试了“python -m pip install --upgrade pip”

Question

我输入的命令：pip install ipython

输出：

*Exception:
Traceback (most recent call last):
  File "c:\python27\lib\site-packages\pip\basecommand.py", line 215, in main
    status = self.run(options, args)
  File "c:\python27\lib\site-packages\pip\commands\install.py", line 324, in run
    requirement_set.prepare_files(finder)
  File "c:\python27\lib\site-packages\pip\req\req_set.py", line 380, in prepare_files
    ignore_dependencies=self.ignore_dependencies))
  File "c:\python27\lib\site-packages\pip\req\req_set.py", line 620, in _prepare_file
    session=self.session, hashes=hashes)
  File "c:\python27\lib\site-packages\pip\download.py", line 821, in unpack_url
    hashes=hashes
  File "c:\python27\lib\site-packages\pip\download.py", line 659, in unpack_http_url
    hashes)
  File "c:\python27\lib\site-packages\pip\download.py", line 880, in _download_http_url
    file_path = os.path.join(temp_dir, filename)
  File "c:\python27\lib\ntpath.py", line 85, in join
    result_path = result_path + p_path
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 7: ordinal not in range(128)
You are using pip version 9.0.3, however version 21.2.4 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.*

我尝试了它提供的命令：python -m pip install --upgrade pip

它什么也没显示。之后，我再次尝试“pip install ipython”，弹出同样的错误。

Answer 1

对我来说就是这种情况。通过输入此命令 easy_install -U pip 它对我有用。