python -m pip install --upgrade pip升级报错
Traceback (most recent call last): File "D:\python\lib\site-packages\pip\_vendor\urllib3\response.py", line 302, in _error_catcher yield File "D:\python\lib\site-packages\pip\_vendor\urllib3\response.py", line 384, in read data = self._fp.read(amt) File "D:\python\lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 60, in readdata = self.__fp.read(amt) File "D:\python\lib\http\client.py", line 447, in read n = self.readinto(b) File "D:\python\lib\http\client.py", line 491, in readinto n = self.fp.readinto(b)File "D:\python\lib\socket.py", line 589, in readinto return self._sock.recv_into(b) File "D:\python\lib\ssl.py", line 1049, in recv_intoreturn self.read(nbytes, buffer)File "D:\python\lib\ssl.py", line 908, in readreturn self._sslobj.read(len, buffer) socket.timeout: The read operation timed outDuring handling of the above exception, another exception occurred: Traceback (most recent call last): File "D:\python\lib\site-packages\pip\_internal\basecommand.py", line 228, in mainstatus = self.run(options, args)File "D:\python\lib\site-packages\pip\_internal\commands\install.py", line 291, in runresolver.resolve(requirement_set)File "D:\python\lib\site-packages\pip\_internal\resolve.py", line 103, in resolve self._resolve_one(requirement_set, req) File "D:\python\lib\site-packages\pip\_internal\resolve.py", line 257, in _resolve_oneabstract_dist = self._get_abstract_dist_for(req_to_install) File "D:\python\lib\site-packages\pip\_internal\resolve.py", line 210, in _get_abstract_dist_forself.require_hashes File "D:\python\lib\site-packages\pip\_internal\operations\prepare.py", line 310, in prepare_linked_requirement progress_bar=self.progress_bar File "D:\python\lib\site-packages\pip\_internal\download.py", line 837, in unpack_url progress_bar=progress_bar File "D:\python\lib\site-packages\pip\_internal\download.py", line 674, in unpack_http_url progress_bar)File "D:\python\lib\site-packages\pip\_internal\download.py", line 898, in _download_http_url _download_url(resp, link, content_file, hashes, progress_bar) File "D:\python\lib\site-packages\pip\_internal\download.py", line 618, in _download_url hashes.check_against_chunks(downloaded_chunks) File "D:\python\lib\site-packages\pip\_internal\utils\hashes.py", line 48, in check_against_chunks for chunk in chunks: File "D:\python\lib\site-packages\pip\_internal\download.py", line 586, in written_chunks for chunk in chunks: File "D:\python\lib\site-packages\pip\_internal\utils\ui.py", line 159, in iter for x in it:File "D:\python\lib\site-packages\pip\_internal\download.py", line 575, in resp_read decode_content=False):File "D:\python\lib\site-packages\pip\_vendor\urllib3\response.py", line 436, in streamdata = self.read(amt=amt, decode_content=decode_content) File "D:\python\lib\site-packages\pip\_vendor\urllib3\response.py", line 401, in read raise IncompleteRead(self._fp_bytes_read, self.length_remaining) File "D:\python\lib\contextlib.py", line 130, in __exit__self.gen.throw(type, value, traceback)File "D:\python\lib\site-packages\pip\_vendor\urllib3\response.py", line 307, in _error_catcher raise ReadTimeoutError(self._pool, None, 'Read timed out.') pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='', port=443): Read timed out. You are using pip version 10.0.1, however version 22.0.3 is available.You should consider upgrading via the 'python -m pip install --upgrade pip' command.
原因：服务器连接超时
解决方案：使用以下代码即可解决！
python -m pip install --upgrade pip -i /simple
同样的pip 安装python的相关库时都可以在后边添加-i /simple，相比之前下载速度会很快的！
