Error in line 150

> Please provide us with the following information:
> ---------------------------------------------------------------

### This issue is for a: (mark with an `x`)
```
- [ X] bug report -> please search issues before submitting
- [ ] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)
```

### Minimal steps to reproduce
> only run in a new environment (after follow instructions)

### Any log messages given by the failure
> ... Python(v4.0)\Read_model\sample_analyze_read.py", line 150, in
from dotenv import find_dotenv, load_dotenv
ModuleNotFoundError: No module named 'dotenv'

### Expected/desired behavior
> that the file runs :-D

### OS and Version?
> Windows 10 22H2

### Versions
> Python 3.9 fails and 3.12 too

### Mention any other details that might be useful

> ---------------------------------------------------------------
> Thanks! We'll be in touch soon.

Start with Python(v4.0)\Read_model\sample_analyze_read.py around line 150 and inspect the sample's dependency or setup instructions. Reproduce the import failure in the reported Windows and Python environments; done means the sample runs without the reported ModuleNotFoundError.

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