style: format code with Autopep8, isort and Ruff Formatter

[deepsource-autofix]

This commit fixes the style issues introduced in ae48cb6 according to the output
from Autopep8, isort and Ruff Formatter.

Details: None

Summary by Sourcery

Enhancements:

• Format codebase with Autopep8, isort, and Ruff, normalizing imports, spacing, and line breaks across classifier modules

[sourcery-ai]

Reviewer's Guide

This PR applies Autopep8, isort, and Ruff formatting across the codebase, adjusting whitespace, line breaks, import organization, and signature layouts to enforce PEP8 and internal style rules without altering existing behavior.

File-Level Changes

Change	Details	Files
Reformatted function signatures and multi-line calls	Flattened and indented multi-line train_test_split calls Aligned tuple return type hints consistently Reflowed long parameter lists across multiple lines	src/ai_detection/classifier/classify.py src/ai_detection/classifier/multi_feature_model/fusionBert_backup.py src/ai_detection/classifier/multi_feature_model/fusionBert.py
Standardized spacing around operators and type hints	Inserted spaces around `	` in union type hints Added spaces around arithmetic and division operators Ensured commas are followed by a space
Grouped and sorted import statements	Converted flat import lists into parenthesized groups Applied isort ordering for third-party vs local modules	src/ai_detection/classifier/multi_feature_model/fusionBert.py
Consolidated logging and print formatting	Merged multi-argument logging.info calls onto single lines Reflowed print statements with f-strings for consistent line breaks	src/ai_detection/classifier/classify.py src/ai_detection/classifier/multi_feature_model/fusionBert_backup.py
Cleaned up whitespace and blank lines	Removed trailing spaces on blank lines Eliminated extra blank lines between methods and imports	src/ai_detection/classifier/classify.py src/ai_detection/classifier/multi_feature_model/fusionBert_backup.py src/ai_detection/classifier/multi_feature_model/fusionBert.py

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[deepsource-io]

Here's the code health analysis summary for commits ae48cb6..7313567. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Python	❌ Failure	❗ 4 occurences introduced 🎯 31 occurences resolved	View Check ↗

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