pip install error: ModuleNotFoundError: No module named 'patch_ng'

[huanghaiyang]

` pip install -r ./requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple Collecting editdistance==0.5.2 (from -r ./requirements.txt (line 1)) Using cached https://pypi.tuna.tsinghua.edu.cn/packages/07/61/9fac12e2688bc59d8b6a575e952826d93120e44d8db1bb7fe6c60e6994a1/editdistance-0.5.2.tar.gz (20 kB) Installing build dependencies: started Installing build dependencies: finished with status 'done' Getting requirements to build wheel: started Getting requirements to build wheel: finished with status 'done' Preparing metadata (pyproject.toml): started Preparing metadata (pyproject.toml): finished with status 'done' Collecting lmdb==1.0.0 (from -r ./requirements.txt (line 2)) Using cached https://pypi.tuna.tsinghua.edu.cn/packages/b6/18/48109367e0d1bc9f7eed0d387cd5b50dd0e19c299bbbfe8b21246455fa48/lmdb-1.0.0.tar.gz (876 kB) Installing build dependencies: started Installing build dependencies: finished with status 'done' Getting requirements to build wheel: started Getting requirements to build wheel: finished with status 'error' error: subprocess-exited-with-error

Getting requirements to build wheel did not run successfully. exit code: 1

[24 lines of output] py-lmdb: Using bundled liblmdb with py-lmdb patches; override with LMDB_FORCE_SYSTEM=1 or LMDB_PURE=1. Traceback (most recent call last): File "", line 92, in ModuleNotFoundError: No module named 'patch_ng'

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "c:\python39\lib\site-packages\pip_vendor\pyproject_hooks_in_process_in_process.py", line 353, in main() File "c:\python39\lib\site-packages\pip_vendor\pyproject_hooks_in_process_in_process.py", line 335, in main json_out['return_val'] = hook(**hook_input['kwargs']) File "c:\python39\lib\site-packages\pip_vendor\pyproject_hooks_in_process_in_process.py", line 118, in get_requires_for_build_wheel return hook(config_settings) File "C:\Users\huanh\AppData\Local\Temp\pip-build-env-4c2ncyro\overlay\Lib\site-packages\setuptools\build_meta.py", line 341, in get_requires_for_build_wheel return self._get_build_requires(config_settings, requirements=['wheel']) File "C:\Users\huanh\AppData\Local\Temp\pip-build-env-4c2ncyro\overlay\Lib\site-packages\setuptools\build_meta.py", line 323, in _get_build_requires self.run_setup() File "C:\Users\huanh\AppData\Local\Temp\pip-build-env-4c2ncyro\overlay\Lib\site-packages\setuptools\build_meta.py", line 487, in run_setup super(_BuildMetaLegacyBackend, File "C:\Users\huanh\AppData\Local\Temp\pip-build-env-4c2ncyro\overlay\Lib\site-packages\setuptools\build_meta.py", line 338, in run_setup exec(code, locals()) File "", line 94, in Exception: Building py-lmdb from source on Windows requires the "patch-ng" python module. [end of output]

note: This error originates from a subprocess, and is likely not a problem with pip. error: subprocess-exited-with-error

Getting requirements to build wheel did not run successfully. exit code: 1

See above for output.

note: This error originates from a subprocess, and is likely not a problem with pip.

`

[mk3-14159]

How did you solve this?