🪲 BUG-#208: Replace spec_from_file_location with importlib.import_module

[FernandoCelmer]

Description

Replace manual filesystem-based module loading with importlib.import_module() in the Module class.

Issue: 📌 ISSUE-#208

Changes

• Replace spec_from_file_location + module_from_spec + sys.modules with importlib.import_module()
• Remove _get_path and _get_name helper methods
• Use str.rpartition(".") to split module path from attribute name
• Works with installed packages, namespace packages, zip imports, any CWD

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes