How to fix How to fix 'Resolvable dependency conflict' in pip in Python

PythonINTERMEDIATEMEDIUM

pip found an older version of a dependency that would satisfy all requirements, but your requirements exclude it. This is resolvable by loosening version constraints.

What this error means

pip's dependency resolver found that an older version would work, but your version constraints or Python version prevent it. Unlike unsolvable conflicts, pip can suggest a resolution by downgrading to older package versions that all have compatible dependencies.

Typical symptoms

pip shows 'Resolvable dependency conflict' warning
pip suggests downgrading to older version
Latest versions of packages conflict
Works if you accept downgrading packages
Using bleeding-edge versions causes this
pip can resolve it but warns about change
Different resolution strategies may work

Common causes

Using too-new versions that haven't had dependencies updated
Package dependency updates lag behind releases
Conflicting minimum version requirements
Python version constraints preventing newer packages
Package ecosystem is in transition
Developer dependencies not yet updated

How to fix this error

1Verify the root cause

Review the error message above and identify which cause applies to your situation. Run additional diagnostics if needed.

2Apply the appropriate fix

Follow the corresponding solution from the causes section above.

3Retry the installation

Once you've addressed the root cause, try running 'pip install' again.

Related errors

Official resources & further reading

📚Python Official Documentation
📖
pip resolver algorithm(Official Docs)
💬
SO: Resolvable dependency conflict(Stack Overflow)
🐙
GitHub: pip dependency resolver(GitHub)