pip3 install django

报错如下：

Collecting django
Downloading https://files.pythonhosted.org/packages/c3/68/b63abc009adee25c1bd266b3740e173eab656608cf21641594a37e02cf57/Django-3.2.13-py3-none-any.whl (7.9MB)
5% |?? | 471kB 9.7kB/s eta 0:12:42Exception:
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/pip/_vendor/urllib3/response.py", line 302, in _error_catcher
yield
File "/usr/lib/python3.6/site-packages/pip/_vendor/urllib3/response.py", line 384, in read
data = self._fp.read(amt)
File "/usr/lib/python3.6/site-packages/pip/_vendor/cachecontrol/filewrapper.py", line 60, in read
data = self.__fp.read(amt)
File "/usr/lib64/python3.6/http/client.py", line 459, in read
n = self.readinto(b)
File "/usr/lib64/python3.6/http/client.py", line 503, in readinto
n = self.fp.readinto(b)
File "/usr/lib64/python3.6/socket.py", line 586, in readinto
return self._sock.recv_into(b)
File "/usr/lib64/python3.6/ssl.py", line 971, in recv_into
return self.read(nbytes, buffer)
File "/usr/lib64/python3.6/ssl.py", line 833, in read
return self._sslobj.read(len, buffer)
File "/usr/lib64/python3.6/ssl.py", line 590, in read
v = self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/pip/basecommand.py", line 215, in main
status = self.run(options, args)
File "/usr/lib/python3.6/site-packages/pip/commands/install.py", line 346, in run
requirement_set.prepare_files(finder)
File "/usr/lib/python3.6/site-packages/pip/req/req_set.py", line 381, in prepare_files
ignore_dependencies=self.ignore_dependencies))
File "/usr/lib/python3.6/site-packages/pip/req/req_set.py", line 623, in _prepare_file
session=self.session, hashes=hashes)
File "/usr/lib/python3.6/site-packages/pip/download.py", line 821, in unpack_url
hashes=hashes
File "/usr/lib/python3.6/site-packages/pip/download.py", line 659, in unpack_http_url
hashes)
File "/usr/lib/python3.6/site-packages/pip/download.py", line 882, in _download_http_url
_download_url(resp, link, content_file, hashes)
File "/usr/lib/python3.6/site-packages/pip/download.py", line 603, in _download_url
hashes.check_against_chunks(downloaded_chunks)
File "/usr/lib/python3.6/site-packages/pip/utils/hashes.py", line 46, in check_against_chunks
for chunk in chunks:
File "/usr/lib/python3.6/site-packages/pip/download.py", line 571, in written_chunks
for chunk in chunks:
File "/usr/lib/python3.6/site-packages/pip/utils/ui.py", line 139, in iter
for x in it:
File "/usr/lib/python3.6/site-packages/pip/download.py", line 560, in resp_read
decode_content=False):
File "/usr/lib/python3.6/site-packages/pip/_vendor/urllib3/response.py", line 436, in stream
data = self.read(amt=amt, decode_content=decode_content)
File "/usr/lib/python3.6/site-packages/pip/_vendor/urllib3/response.py", line 401, in read
raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
File "/usr/lib64/python3.6/contextlib.py", line 99, in __exit__
self.gen.throw(type, value, traceback)
File "/usr/lib/python3.6/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='files.pythonhosted.org', port=443): Read timed out.

超时了，可通过延长超时时间的方法解决此问题

pip3 --default-timeout=1000 install -U django