fix(backend): replace deprecated pad_to_max_length with modern padding parameter

[metaloozee]

Addressed Issues:

Fixes #511

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Summary by CodeRabbit

• Chores
  • Updated backend processing modules to align with current framework standards, improving code maintainability while preserving existing functionality and output consistency.

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ℹ️ Recent review info

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between fc3bf1a and f090114.

📒 Files selected for processing (2)

• backend/Generator/main.py
• backend/Generator/mcq.py

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📝 Walkthrough

Walkthrough

This update replaces the deprecated pad_to_max_length=True parameter with the current Transformers API format padding="max_length" and adds truncation=True in tokenization calls across the Generator module to resolve deprecation warnings.

Changes

Cohort / File(s)	Summary
Tokenizer API Updates backend/Generator/main.py, backend/Generator/mcq.py	Replaced deprecated pad_to_max_length=True with padding="max_length" and added truncation=True in tokenization calls to align with current HuggingFace Transformers API and eliminate deprecation warnings.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Poem

🐰 With whiskers twitching, I hop with glee,
Old tokenizer parameters set finally free!
Padding and truncation, now modern and bright,
HuggingFace warnings fade into the night! ✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely summarizes the main change: replacing the deprecated pad_to_max_length parameter with the modern padding parameter in the backend code.
Linked Issues check	✅ Passed	The pull request fully addresses issue #511 by replacing pad_to_max_length=True with padding='max_length' and adding truncation=True across the tokenization pipeline in both main.py and mcq.py.
Out of Scope Changes check	✅ Passed	All changes are narrowly scoped to replacing deprecated tokenizer arguments in two files, directly addressing issue #511 with no extraneous modifications.

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