大佬们，求解

:17ERROR: Exception: Traceback (most recent call last):
File "/usr/lib/python3.8/site-packages/urllib3/response.py", line 425, in _error_catcher
yield
File "/usr/lib/python3.8/site-packages/urllib3/response.py", line 507, in read
data = self._fp.read(amt) if not fp_closed else b""
File "/usr/lib/python3.8/site-packages/cachecontrol/filewrapper.py", line 62, in read
data = self.__fp.read(amt)
File "/usr/lib/python3.8/http/client.py", line 454, in read n = self.readinto(b)
File "/usr/lib/python3.8/http/client.py", line 498, in readinto
n = self.fp.readinto(b)
File "/usr/lib/python3.8/socket.py", line 669, in readinto return self._sock.recv_into(b)
File "/usr/lib/python3.8/ssl.py", line 1241, in recv_into
return self.read(nbytes, buffer)
File "/usr/lib/python3.8/ssl.py", line 1099, in read
return 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/python3.8/site-packages/pip/_internal/cli/base_command.py", line 153, in _main
status = self.run(options, args)
File "/usr/lib/python3.8/site-packages/pip/_internal/commands/install.py", line 382, in run
resolver.resolve(requirement_set)
File "/usr/lib/python3.8/site-packages/pip/_internal/legacy_resolve.py", line 201, in resolve
self._resolve_one(requirement_set, req)
File "/usr/lib/python3.8/site-packages/pip/_internal/legacy_resolve.py", line 365, in _resolve_one
abstract_dist = self._get_abstract_dist_for(req_to_install)
File "/usr/lib/python3.8/site-packages/pip/_internal/legacy_resolve.py", line 312, in _get_abstract_dist_for
abstract_dist = self.preparer.prepare_linked_requirement( File "/usr/lib/python3.8/site-packages/pip/_internal/operations/prepare.py", line 191, in prepare_linked_requirement
unpack_url(
File "/usr/lib/python3.8/site-packages/pip/_internal/download.py", line 459, in unpack_url
unpack_http_url(
File "/usr/lib/python3.8/site-packages/pip/_internal/download.py", line 312, in unpack_http_url
from_path, content_type = _download_http_url(link,
File "/usr/lib/python3.8/site-packages/pip/_internal/download.py", line 551, in _download_http_url
_download_url(resp, link, content_file, hashes, progress_bar)
File "/usr/lib/python3.8/site-packages/pip/_internal/download.py", line 253, in _download_url
hashes.check_against_chunks(downloaded_chunks)
File "/usr/lib/python3.8/site-packages/pip/_internal/utils/hashes.py", line 80, in check_against_chunks for chunk in chunks: File "/usr/lib/python3.8/site-packages/pip/_internal/download.py", line 223, in written_chunks for chunk in chunks: File "/usr/lib/python3.8/site-packages/pip/_internal/utils/ui.py", line 160, in iter for x in it: File "/usr/lib/python3.8/site-packages/pip/_internal/download.py", line 188, in resp_read for chunk in resp.raw.stream( File "/usr/lib/python3.8/site-packages/urllib3/response.py", line 564, in stream data = self.read(amt=amt, decode_content=decode_content) File "/usr/lib/python3.8/site-packages/urllib3/response.py", line 529, in read raise IncompleteRead(self._fp_bytes_read, self.length_remaining) File "/usr/lib/python3.8/contextlib.py", line 131, in exit self.gen.throw(type, value, traceback) File "/usr/lib/python3.8/site-packages/urllib3/response.py", line 430, in _error_catcher raise ReadTimeoutError(self._pool, None, "Read timed out.") urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.