在使用pip安装psutil时总是提示失败，失败信息如下：
tsit@tsit-GW-001M1A-FTF:~/桌面$ sudo pip3 install psutil
[sudo] tsit 的密码：
Collecting psutil
Downloading psutil-5.9. (478 kB)
|████ | 61 kB 13 kB/s eta 0:00:32ERROR: Exception:
Traceback (most recent call last):
File "/usr/local/lib/python3.9/site-packages/pip/_vendor/urllib3/", line 437, in _error_catcher
yield
File "/usr/local/lib/python3.9/site-packages/pip/_vendor/urllib3/", line 519, in read
data = self._fp.read(amt) if not fp_closed else b""
File "/usr/local/lib/python3.9/site-packages/pip/_vendor/cachecontrol/", line 62, in read
data = self.__fp.read(amt)
File "/usr/local/lib/python3.9/http/", line 455, in read
n = (b)
File "/usr/local/lib/python3.9/http/", line 499, in readinto
n = (b)
File "/usr/local/lib/python3.9/", line 704, in readinto
return self._sock.recv_into(b)
File "/usr/local/lib/python3.9/", line 1241, in recv_into
return (nbytes, buffer)
File "/usr/local/lib/python3.9/", line 1099, in read
return self._sslobj.read(len, buffer)
: The read operation timed out
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/lib/python3.9/site-packages/pip/_internal/cli/base_command.py", line 228, in _main
status = (options, args)
File "/usr/local/lib/python3.9/site-packages/pip/_internal/cli/req_command.py", line 182, in wrapper
return func(self, options, args)
File "/usr/local/lib/python3.9/site-packages/pip/_internal/commands/", line 323, in run
requirement_set = (
File "/usr/local/lib/python3.9/site-packages/pip/_internal/resolution/legacy/", line 183, in resolve
discovered_reqs.extend(self._resolve_one(requirement_set, req))
File "/usr/local/lib/python3.9/site-packages/pip/_internal/resolution/legacy/", line 388, in _resolve_one
abstract_dist = self._get_abstract_dist_for(req_to_install)
File "/usr/local/lib/python3.9/site-packages/pip/_internal/resolution/legacy/", line 340, in _get_abstract_dist_for
abstract_dist = .prepare_linked_requirement(req)
File "/usr/local/lib/python3.9/site-packages/pip/_internal/operations/", line 467, in prepare_linked_requirement
local_file = unpack_url(
File "/usr/local/lib/python3.9/site-packages/pip/_internal/operations/", line 255, in unpack_url
file = get_http_url(
File "/usr/local/lib/python3.9/site-packages/pip/_internal/operations/", line 129, in get_http_url
from_path, content_type = _download_http_url(
File "/usr/local/lib/python3.9/site-packages/pip/_internal/operations/", line 282, in _download_http_url
for chunk in :
File "/usr/local/lib/python3.9/site-packages/pip/_internal/cli/progress_bars.py", line 168, in iter
for x in it:
File "/usr/local/lib/python3.9/site-packages/pip/_internal/network/", line 64, in response_chunks
for chunk in (
File "/usr/local/lib/python3.9/site-packages/pip/_vendor/urllib3/", line 576, in stream
data = (amt=amt, decode_content=decode_content)
File "/usr/local/lib/python3.9/site-packages/pip/_vendor/urllib3/", line 541, in read
raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
File "/usr/local/lib/python3.9/", line 135, in __exit__
(type, value, traceback)
File "/usr/local/lib/python3.9/site-packages/pip/_vendor/urllib3/", line 442, in _error_catcher
raise ReadTimeoutError(self._pool, None, "Read timed out.")
pip._vendor.: HTTPSConnectionPool(host='', port=443): Read timed out.
WARNING: You are using pip version 20.2.3; however, version 22.0.3 is available.
You should consider upgrading via the '/usr/local/bin/python3.9 -m pip install --upgrade pip' command.解决方案：
sudo apt-get install python3.9-dev（这是因为我安装的python是3.9）
然后再次执行pip安装psutil即可