fix typos in python files

[ycbiometrics]

{{Pull Request name here}}

PR description

Fix typos in .py files.

Type

• Feature
• [x ] Refactoring
• Bugfix
• DevOps
• Testing

Checklist

• [ x] I've made sure that my code works as expected by writing unit tests.
• [ x] I've checked if my code doesn't generate warnings or errors.
• [ x] I've performed a self-review of my code.
• [ x] I've made sure that my code follows the style guidelines of the project.
• [ x] I've commented hard-to-understand parts of my code.
• [ x] I've made appropriate changes in the documentation.

[wiktorlazarski]

Thanks for all the updates! Looks good to me 🔥! Feel free to merge anytime.