UP,安裝pytorch時(shí),報(bào)這個(gè)錯(cuò)，是怎么情況，是請求超時(shí)嗎?

ERROR: Exception:

Traceback (most recent call last):

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_vendor\urllib3\response.py", line 438, in _error_catcher

??yield

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_vendor\urllib3\response.py", line 561, in read

??data = self._fp_read(amt) if not fp_closed else b""

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_vendor\urllib3\response.py", line 527, in _fp_read

??return self._fp.read(amt) if amt is not None else self._fp.read()

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 90, in read

??data = self.__fp.read(amt)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\http\client.py", line 458, in read

??n = self.readinto(b)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\http\client.py", line 502, in readinto

??n = self.fp.readinto(b)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\socket.py", line 704, in readinto

??return self._sock.recv_into(b)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\ssl.py", line 1241, in recv_into

??return self.read(nbytes, buffer)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\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 "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\cli\base_command.py", line 169, in exc_logging_wrapper

??status = run_func(*args)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\cli\req_command.py", line 248, in wrapper

??return func(self, options, args)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\commands\install.py", line 377, in run

??requirement_set = resolver.resolve(

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\resolution\resolvelib\resolver.py", line 92, in resolve

??result = self._result = resolver.resolve(

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 546, in resolve

??state = resolution.resolve(requirements, max_rounds=max_rounds)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 397, in resolve

??self._add_to_criteria(self.state.criteria, r, parent=None)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 173, in _add_to_criteria

??if not criterion.candidates:

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_vendor\resolvelib\structs.py", line 156, in __bool__

??return bool(self._sequence)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 155, in __bool__

??return any(self)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 143, in <genexpr>

??return (c for c in iterator if id(c) not in self._incompatible_ids)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 47, in _iter_built

??candidate = func()

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\resolution\resolvelib\factory.py", line 206, in _make_candidate_from_link

??self._link_candidate_cache[link] = LinkCandidate(

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 293, in __init__

??super().__init__(

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 156, in __init__

??self.dist = self._prepare()

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 225, in _prepare

??dist = self._prepare_distribution()

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 304, in _prepare_distribution

??return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\operations\prepare.py", line 516, in prepare_linked_requirement

??return self._prepare_linked_requirement(req, parallel_builds)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\operations\prepare.py", line 587, in _prepare_linked_requirement

??local_file = unpack_url(

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\operations\prepare.py", line 166, in unpack_url

??file = get_http_url(

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\operations\prepare.py", line 107, in get_http_url

??from_path, content_type = download(link, temp_dir.path)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\network\download.py", line 147, in __call__

??for chunk in chunks:

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\cli\progress_bars.py", line 53, in _rich_progress_bar

??for chunk in iterable:

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_internal\network\utils.py", line 63, in response_chunks

??for chunk in response.raw.stream(

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_vendor\urllib3\response.py", line 622, in stream

??data = self.read(amt=amt, decode_content=decode_content)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_vendor\urllib3\response.py", line 587, in read

??raise IncompleteRead(self._fp_bytes_read, self.length_remaining)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\contextlib.py", line 135, in __exit__

??self.gen.throw(type, value, traceback)

?File "C:\Users\longmao\.conda\envs\yolov5\lib\site-packages\pip\_vendor\urllib3\response.py", line 443, in _error_catcher

??raise ReadTimeoutError(self._pool, None, "Read timed out.")

pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='download.pytorch.org', port=443): Read timed out.