Error10 reports
Fix OverrideNeededError
in Poetry
✅ Solution
The "OverrideNeededError" in Poetry usually arises from dependency conflicts during resolution, particularly when a dependency specifies incompatible version constraints or markers for different Python versions. To resolve this, carefully review your pyproject.toml for version constraints and environment markers in dependencies, ensuring they're compatible across your project's supported Python versions. If necessary, use conditional dependencies or environment markers to specify different versions based on the Python environment, like `python = ">=3.10,<3.12"` to address issues such as Python 3.12 compatibility.
Related Issues
Real GitHub issues where developers encountered this error:
Poetry is broken on python3.9 due to dulwich dropping python 3.9 supportNov 10, 2025
Poetry constraint validation does not seem to take account of markersNov 6, 2025
ALLOW_MISSING or posixpath Python 3.12Oct 15, 2025
Version solving fails for dependency in optional-dependencies and group.Jun 24, 2025
Poetry does not install torch as defined in extra-groupJun 23, 2025
Timeline
First reported:Feb 14, 2025
Last reported:Nov 10, 2025