Correct python version for python extension

I read somewhere that for now python version from 3.9 to 3.11 are supported. A version below or above causes error.

Ah I found it. In M1 guide it's mentioned python 3.9+, M2 guide it's mentioned 3.9 to 3.11 and 3.12 is not yet supported and finally in M3 guide 3.12 is supported as well. I'm just adding direct link of M3 guide for where it's mentioned below

NiFi Python Developer’s Guide (apache.org)

The error you are encountering is likely due to changes in the import system in Python 3.12. The `find_module` method was deprecated in Python 3.4 and removed in Python 3.12. The new import system uses `find_spec` instead.

To resolve this issue, you'll need to update the code to use `find_spec` instead of `find_module`. Here's how you can modify the relevant part of your code:

```python
Original code using find_module
module = finder.find_module(name)

Updated code using find_spec
module_spec = finder.find_spec(name)
if module_spec is not None:
module = importlib.util.module_from_spec(module_spec)
module_spec.loader.exec_module(module)
else:
module = None
```

You will need to import `importlib.util` if it's not already imported:

```python
import importlib.util
```

This change should make your code compatible with Python 3.12. If you are using a third-party library that hasn't been updated yet, you may need to wait for the maintainers to release a compatible version or consider contributing a patch.

Additionally, you might want to check if there are updates or patches available for the specific Python extension you are using, as the maintainers might have already addressed this issue in a newer release.