Incompatible with python 3.10

```
       >   File "/build/zetup-0.2.64/zetup/modules.py", line 30, in <module>
       >     from collections import MutableMapping
       > ImportError: cannot import name 'MutableMapping' from 'collections' (/nix/store/c6dwl65z7z9vyadfzp5aqbfv6bi1afnz-python3-3.10.2/lib/python3.10/collections/__init__.py)
```