docker run -it --rm python:3.8-slim-bullseye bash
Unable to find image 'python:3.8-slim-bullseye' locally
3.8-slim-bullseye: Pulling from library/python
9d21b12d5fab: Already exists
40b9e4b957ee: Pull complete
bc34c42614f4: Pull complete
b7fea7b0ca3b: Pull complete
836510502716: Pull complete
Digest: sha256:8a480b6d42f10928986a503e03a1a492068c6fc71538ae9ca2cbb9279d6f1552
Status: Downloaded newer image for python:3.8-slim-bullseye
root@f977d34b0db4:/# pip install pyside6
Collecting pyside6
  Downloading PySide6-6.5.1.1-cp37-abi3-manylinux_2_28_x86_64.whl (6.7 kB)
Collecting PySide6-Addons==6.5.1.1
  Downloading PySide6_Addons-6.5.1.1-cp37-abi3-manylinux_2_28_x86_64.whl (126.2 MB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 126.2/126.2 MB 16.4 MB/s eta 0:00:00
Collecting shiboken6==6.5.1.1
  Downloading shiboken6-6.5.1.1-cp37-abi3-manylinux_2_28_x86_64.whl (173 kB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 173.9/173.9 kB 41.4 MB/s eta 0:00:00
Collecting PySide6-Essentials==6.5.1.1
  Downloading PySide6_Essentials-6.5.1.1-cp37-abi3-manylinux_2_28_x86_64.whl (80.9 MB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 80.9/80.9 MB 13.9 MB/s eta 0:00:00
Installing collected packages: shiboken6, PySide6-Essentials, PySide6-Addons, pyside6
Successfully installed PySide6-Addons-6.5.1.1 PySide6-Essentials-6.5.1.1 pyside6-6.5.1.1 shiboken6-6.5.1.1
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv[notice] A new release of pip is available: 23.0.1 -> 23.1.2
[notice] To update, run: pip install --upgrade pip
root@f977d34b0db4:/# python -c 'import PySide6.QtCore'
Traceback (most recent call last):
  File "<string>", line 1, in <module>
ImportError: libQt6Core.so.6: cannot open shared object file: No such file or directory