Preparing metadata (setup.py) error: subprocess-exited-with-error

Can you help me run this project by identifying the part that is wrong? I tried to set up this example. When running pip install -r requirements.txt My output
❯ asdf current
python          3.10.12         /Users/user/helloflask/.tool-versions

# Activated venv

❯ python -V
Python 3.10.12

pip list
Package    Version
---------- -------
pip        23.0.1
setuptools 65.5.0

[notice] A new release of pip is available: 23.0.1 -> 23.2.1
[notice] To update, run: pip install --upgrade pip

❯ pip install -r requirements.txt
Looking in indexes: https://pypi.python.org/simple/
Collecting alembic==1.5.8
  Using cached alembic-1.5.8-py2.py3-none-any.whl (159 kB)
Collecting blinker==1.4
  Using cached blinker-1.4.tar.gz (111 kB)
  Preparing metadata (setup.py) ... done
Collecting click==7.1.2
  Using cached click-7.1.2-py2.py3-none-any.whl (82 kB)
Collecting cssmin==0.2.0
  Using cached cssmin-0.2.0.tar.gz (3.2 kB)
  Preparing metadata (setup.py) ... done
Collecting email-validator==1.1.2
  Using cached email_validator-1.1.2-py2.py3-none-any.whl (17 kB)
Collecting flask-assets==0.12
  Using cached Flask-Assets-0.12.tar.gz (22 kB)
  Preparing metadata (setup.py) ... done
Collecting flask-caching==1.7.2
  Using cached Flask_Caching-1.7.2-py2.py3-none-any.whl (27 kB)
Collecting flask-ckeditor==0.4.3
  Using cached Flask_CKEditor-0.4.3-py2.py3-none-any.whl (4.9 MB)
Collecting flask-debugtoolbar==0.10.1
  Using cached Flask_DebugToolbar-0.10.1-py2.py3-none-any.whl (326 kB)
Collecting flask-dropzone==1.5.3
  Using cached Flask_Dropzone-1.5.3-py2.py3-none-any.whl (22 kB)
Collecting flask-mail==0.9.1
  Using cached Flask-Mail-0.9.1.tar.gz (45 kB)
  Preparing metadata (setup.py) ... done
Collecting flask-migrate==2.5.2
  Using cached Flask_Migrate-2.5.2-py2.py3-none-any.whl (13 kB)
Collecting flask-sqlalchemy==2.5.1
  Using cached Flask_SQLAlchemy-2.5.1-py2.py3-none-any.whl (17 kB)
Collecting flask-wtf==0.14.2
  Using cached Flask_WTF-0.14.2-py2.py3-none-any.whl (14 kB)
Collecting flask==1.0
  Using cached Flask-1.0-py2.py3-none-any.whl (97 kB)
Collecting greenlet==1.0.0
  Using cached greenlet-1.0.0.tar.gz (84 kB)
  Preparing metadata (setup.py) ... done
Collecting itsdangerous==1.1.0
  Using cached itsdangerous-1.1.0-py2.py3-none-any.whl (16 kB)
Collecting jinja2==2.11.3
  Using cached Jinja2-2.11.3-py2.py3-none-any.whl (125 kB)
Collecting jsmin==2.2.2
  Using cached jsmin-2.2.2.tar.gz (12 kB)
  Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error

  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [1 lines of output]
      error in jsmin setup command: use_2to3 is invalid.
      [end of output]

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

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.

[notice] A new release of pip is available: 23.0.1 -> 23.2.1
[notice] To update, run: pip install --upgrade pip

❯ pip list
Package    Version
---------- -------
pip        23.0.1
setuptools 65.5.0
helloflask / flask-examples

Preparing metadata (setup.py) error: subprocess-exited-with-error #20
