information deprecated collections in 3.10

[scwall]

Hello, I have a warning to python 3.9 with odoo

web_1  |     import web_pdb;web_pdb.set_trace()
web_1  |   File "/usr/local/lib/python3.9/dist-packages/web_pdb/__init__.py", line 40, in <module>
web_1  |     from .web_console import WebConsole
web_1  |   File "/usr/local/lib/python3.9/dist-packages/web_pdb/web_console.py", line 39, in <module>
web_1  |     from .wsgi_app import app
web_1  |   File "/usr/local/lib/python3.9/dist-packages/web_pdb/wsgi_app.py", line 33, in <module>
web_1  |     import bottle
web_1  |   File "/usr/local/lib/python3.9/dist-packages/bottle.py", line 87, in <module>
web_1  |     from collections import MutableMapping as DictMixin

WARNING test py.warnings: /usr/local/lib/python3.9/dist-packages/bottle.py:87: DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated sin ce Python 3.3, and in 3.10 it will stop working

[romanvm]

Looks like the project needs to be updated dependencies-wise.