Upgrade Django 2.0.13 to 2.1.15 with required dependency updates#654

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znick merged 3 commits intomasterfrom

upgrade_to_django_2.1.15

Apr 1, 2026

Commits on Mar 31, 2026

Upgrade Django 2.0.13 to 2.1.15 with required dependency updates

znick
and
claude
committed

Commits on Apr 1, 2026

Fix Dockerfile: add lxml build deps and fix legacy ENV format

znick
and
claude
committed
Fix E501 line too long in issueFilter and model_issue_student_filter

znick
and
claude
committed