Pycharm pyqt5 installation error, a great god for help-CodePudding

Collecting PyQt5
Downloading PyQt5 5.15.1-5.15.1 - cp35. Cp36. Cp37. Cp38. Cp39 - none - win_amd64. WHL (59.4 MB)

DEPRECATION: The - b/build/- build - dir/build - directory option is deprecated. The PIP 20.3 will remove The support for this functionality. A possible replacement is use The TMPDIR/TEMP/TMP environment variable, possibly combined with - no - clean. You can find The discussion regarding this at https://github.com/pypa/pip/issues/8333.
WARNING: Retrying (Retry (total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ReadTimeoutError (" HTTPSConnectionPool (host=' pypi.org ', the port=443) : read timed out. (read timeout=15) ") ':/simple/pyqt5/
WARNING: Retrying (Retry (total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError (' & lt; PIP. _vendor. Urllib3. Connection. HTTPSConnection object at 0 x000001f61118c160 & gt; : Failed to establish a new connection: [11001] Errno getaddrinfo Failed ') : 44/b3/4402/packages/c5571e69bcc4e54a6f5948c1d6b7a37718acb414b42f593764ec3918/PyQt5-5.15.1-5.15.1 - cp35. Cp36. Cp37. Cp38. Cp39 - none - win_amd64. WHL
WARNING: Retrying (Retry (total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError (' & lt; PIP. _vendor. Urllib3. Connection. HTTPSConnection object at 0 x000001f61118c2e0 & gt; : Failed to establish a new connection: [11001] Errno getaddrinfo Failed ') : 44/b3/4402/packages/c5571e69bcc4e54a6f5948c1d6b7a37718acb414b42f593764ec3918/PyQt5-5.15.1-5.15.1 - cp35. Cp36. Cp37. Cp38. Cp39 - none - win_amd64. WHL
WARNING: Retrying (Retry (total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError (' & lt; PIP. _vendor. Urllib3. Connection. HTTPSConnection object at 0 x000001f61118c460 & gt; : Failed to establish a new connection: [11001] Errno getaddrinfo Failed ') : 44/b3/4402/packages/c5571e69bcc4e54a6f5948c1d6b7a37718acb414b42f593764ec3918/PyQt5-5.15.1-5.15.1 - cp35. Cp36. Cp37. Cp38. Cp39 - none - win_amd64. WHL
ERROR: the Exception:
Traceback (the most recent call last) :
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _vendor \ urllib3 \ response py", line 437, in _error_catcher
Yield
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _vendor \ urllib3 \ response py", line 519, in the read
Data=https://bbs.csdn.net/topics/self._fp.read (amt) if not fp_closed else ""
bThe File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _vendor \ cachecontrol \ filewrapper py", line 62, in the read
Data=https://bbs.csdn.net/topics/self.__fp.read (amt)
The File "C: \ Program Files \ \ client Python38 \ lib \ HTTP py", line 454, in the read
N=self. Readinto (b)
The File "C: \ Program Files \ \ client Python38 \ lib \ HTTP py", line 498, in readinto
N=self. Fp. Readinto (b)
The File "C: \ Program Files \ Python38 \ lib \ socket py", line 669, in readinto
Return the self. _sock. Recv_into (b)
The File "C: \ Program Files \ Python38 \ lib \ SSL py", line 1241, in recv_into
Return the self. Read (nbytes, buffer)
The File "C: \ Program Files \ Python38 \ lib \ SSL py", line 1099, in the read
Return the self. _sslobj. Read (len, buffer)
Socket. The timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (the most recent call last) :
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _internal, cli \ base_command py", line 228, in _main
Status=self. The run (options, args)
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _internal, cli \ req_command py", line 182, wrapper in
Return func (self, options, args)
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP \ _internal, commands, the py", line 323, in the run
Requirement_set=resolver. Resolve (
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _internal, resolution \ legacy \ resolver py", line 183, resolve in
Discovered_reqs. The extend (self. _resolve_one (requirement_set, the req))
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _internal, resolution \ legacy \ resolver py", line 388, in _resolve_one
Abstract_dist=self. _get_abstract_dist_for (req_to_install)
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _internal, resolution \ legacy \ resolver py", line 340, in _get_abstract_dist_for
Abstract_dist=self. The preparer. Prepare_linked_requirement (the req)
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _internal \ operations \ prepare py", line 467, in prepare_linked_requirement
Local_file=unpack_url (
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _internal \ operations \ prepare py", line 255, in unpack_url
The file=get_http_url (
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _internal \ operations \ prepare py", line 129, in get_http_url
From_path, content_type=_download_http_url (
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _internal \ operations \ prepare py", line 282, in _download_http_url
For the chunk in the download. Chunks:
The File "D: \ pycharm \ venv \ lib \ site - packages, PIP, _internal, cli \ progress_bars py", line 168, in iter
For x in it:
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