Installation with pip fails - cannot import name 'Mapping' from 'collections'

[prehensilecode]

Operating system: Ubuntu 22.04.1
wxPython version & source: 4.20 via PyPI
Python version & source: 3.10.4 (self-built from source)

Description of the problem:

Installation of wxPython via pip fails:

❯ python3 --version
Python 3.10.4
❯ pip3 --version
pip 22.2.2 from /usr/local/lib/python3.10/site-packages/pip (python 3.10)
❯ pip3 install wxPython
Collecting wxPython
  Using cached wxPython-4.2.0.tar.gz (71.0 MB)
  Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error
  
  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [12 lines of output]
      Traceback (most recent call last):
        File "<string>", line 2, in <module>
        File "<pip-setuptools-caller>", line 34, in <module>
        File "/tmp/pip-install-3w2d1qtq/wxpython_d19543ef48a6426f84814843fbdf9d7d/setup.py", line 27, in <module>
          from buildtools.config import Config, msg, opj, runcmd, canGetSOName, getSOName
        File "/tmp/pip-install-3w2d1qtq/wxpython_d19543ef48a6426f84814843fbdf9d7d/buildtools/config.py", line 30, in <module>
          from attrdict import AttrDict
        File "/usr/local/lib/python3.10/site-packages/attrdict/__init__.py", line 5, in <module>
          from attrdict.mapping import AttrMap
        File "/usr/local/lib/python3.10/site-packages/attrdict/mapping.py", line 4, in <module>
          from collections import Mapping
      ImportError: cannot import name 'Mapping' from 'collections' (/usr/local/lib/python3.10/collections/__init__.py)
      [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.

[swt2c]

You need to install attrdict3, not attrdict.

[prehensilecode]

I removed attrdict, and installed attrdict3. pip install wxPython succeeded.