I’m trying to install pyscopg2 in the virtual environment python and I got this message:

Collecting pyscopg2
Using cached pyscopg2-66.0.3.tar.gz (1.2 kB)
Installing build dependencies … done
Getting requirements to build wheel … done
Installing backend dependencies … done
Preparing metadata (pyproject.toml) … done
Building wheels for collected packages: pyscopg2
Building wheel for pyscopg2 (pyproject.toml) … error
error: subprocess-exited-with-error

× Building wheel for pyscopg2 (pyproject.toml) did not run successfully.
│ exit code: 1
╰─> [49 lines of output]
C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptools_distutilsdist.py:266: UserWarning: Unknown distribution option: ‘readme’
warnings.warn(msg)
running bdist_wheel
running build
installing to buildbdist.mingw_x86_64_ucrtwheel
running install
Traceback (most recent call last):
File “C:UsersismerDocumentsUMGSEMESTRE IIIPROGRA ITareaFLASKenvlibpython3.11site-packagespip_vendorpyproject_hooks_in_process_in_process.py”, line 353, in
main()
File “C:UsersismerDocumentsUMGSEMESTRE IIIPROGRA ITareaFLASKenvlibpython3.11site-packagespip_vendorpyproject_hooks_in_process_in_process.py”, line 335, in main
json_out[‘return_val’] = hook(**hook_input[‘kwargs’])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:UsersismerDocumentsUMGSEMESTRE IIIPROGRA ITareaFLASKenvlibpython3.11site-packagespip_vendorpyproject_hooks_in_process_in_process.py”, line 251, in build_wheel
return _build_backend().build_wheel(wheel_directory, config_settings,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptoolsbuild_meta.py”, line 410, in build_wheel
return self._build_with_temp_dir(
^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptoolsbuild_meta.py”, line 395, in build_with_temp_dir
self.run_setup()
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptoolsbuild_meta.py”, line 487, in run_setup
super().run_setup(setup_script=setup_script)
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptoolsbuild_meta.py”, line 311, in run_setup
exec(code, locals())
File “”, line 10, in
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptools_init.py”, line 104, in setup
return distutils.core.setup(**attrs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptools_distutilscore.py”, line 184, in setup
return run_commands(dist)
^^^^^^^^^^^^^^^^^^
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptools_distutilscore.py”, line 200, in run_commands
dist.run_commands()
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptools_distutilsdist.py”, line 969, in run_commands
self.run_command(cmd)
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptoolsdist.py”, line 967, in run_command
super().run_command(command)
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptools_distutilsdist.py”, line 988, in run_command
cmd_obj.run()
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vknormallibpython3.11site-packageswheelbdist_wheel.py”, line 403, in run
self.run_command(“install”)
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptools_distutilscmd.py”, line 316, in run_command
self.distribution.run_command(command)
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptoolsdist.py”, line 967, in run_command
super().run_command(command)
File “C:UsersismerAppDataLocalTemppip-build-env-fqucn2vkoverlaylibpython3.11site-packagessetuptools_distutilsdist.py”, line 988, in run_command
cmd_obj.run()
File “”, line 7, in run
RuntimeError: You are trying to install a stub package pyscopg2. Maybe you are using the wrong pypi?
[end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for pyscopg2
Failed to build pyscopg2
ERROR: Could not build wheels for pyscopg2, which is required to install pyproject.toml-based projects

a use the followings commands:

python -m venv env
. env/bin/activate
pip install flask
pip install psycopg2