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…mpatibility fixes Adds comprehensive guidance based on real-world debugging of daily cron failures, particularly focusing on transitive dependency issues and Python version compatibility. Key improvements: 1. Python Version-Specific Compatibility Issues - Investigation strategy for Python 3.13+ stdlib changes (setuptools/pkg_resources) - Transitive dependency chain analysis (e.g., openlit → opentelemetry-instrumentation → pkg_resources) - Fix strategies: version updates vs. dependency additions vs. conditional imports - Real example from fixing py313-ci-openlit failure 2. Import-Time vs Runtime Failures - Clear distinction between collection errors and execution errors - Why pytest.mark.skip works for runtime but not import-time failures - How to identify each type from pytest output - Critical for choosing the right fix approach 3. Comparing -latest vs Non-Latest Environments - Systematic workflow integrated into Step 4 for when non-latest fails but -latest passes - Commands to compare installed versions and trace dependency chains - Strategy for identifying problematic version combinations 4. Stale Environment Detection - Symptoms of cached .tox environments causing false failures - When to rebuild (always after pyproject.toml changes!) - Verification commands to check if rebuild worked - Common source of "this should work now" confusion 5. Documenting Version Requirement Changes - Detailed commit message template with technical explanation - PR description template with dependency chain details - Examples: root cause, transitive deps, rationale, backward compatibility 6. Enhanced Quick Reference Commands - Compare package versions between environments - Dependency tree comparison - Full package list diff for systematic analysis These improvements capture lessons learned from fixing daily cron failures including: - langchain: Removed test using private API - pipecat: Mock missing required attribute - openlit: Parameter rename + upstream async bug + Python 3.13 compatibility - agent-framework: @tool decorator requirement Real-world examples throughout based on actual debugging sessions. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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/fix-ci-failuresskill to debug daily cron failures