excalibur initdb
Traceback (most recent call last):
  File "/home/boss/.local/bin/excalibur", line 5, in <module>
    from excalibur.cli import cli
  File "/home/boss/.local/lib/python3.11/site-packages/excalibur/cli.py", line 7, in <module>
    from . import __version__, settings
  File "/home/boss/.local/lib/python3.11/site-packages/excalibur/settings.py", line 10, in <module>
    from . import configuration as conf
  File "/home/boss/.local/lib/python3.11/site-packages/excalibur/configuration.py", line 7, in <module>
    from backports.configparser import ConfigParser
  File "/home/boss/.local/lib/python3.11/site-packages/backports/configparser/__init__.py", line 130, in <module>
    from collections import MutableMapping
ImportError: cannot import name 'MutableMapping' from 'collections' (/usr/lib/python3.11/collections/__init__.py)