fix: add PYTHONPATH=/app to Dockerfile for intra-package imports#343
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fix: add PYTHONPATH=/app to Dockerfile for intra-package imports#343
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The Dockerfile runs `python ebd_toolchain/main.py` directly. Python adds the script's directory (/app/ebd_toolchain/) to sys.path but NOT /app/. - Absolute imports → ModuleNotFoundError: No module named 'ebd_toolchain' - Relative imports → ImportError: attempted relative import with no known parent package Fix: set ENV PYTHONPATH=/app in Dockerfile. Revert to absolute import (the standard Python style). Update guard test to verify PYTHONPATH is set. Update README with new optional env vars. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Problem
The Dockerfile runs `python ebd_toolchain/main.py` directly. Python adds the script's directory (`/app/ebd_toolchain/`) to `sys.path` but NOT `/app/`.
This means neither approach works:
Fix
Add `ENV PYTHONPATH=/app` to the Dockerfile (one line). Revert to absolute import (standard Python style).
Prevention
Guard test verifies the Dockerfile contains `PYTHONPATH`.
Also
Updated README to mention the new optional `GITHUB_TOKEN` and `FORMAT_VERSION` env vars.
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