How to fix How to fix 'Incompatible package versions' error in pip in Python

What this error means

When you specify a package version that violates its dependencies, pip refuses to install. For example: 'django==2.0' requires 'sqlparse>=0.2.2', but you specified 'sqlparse==0.1'. These versions are incompatible.

Typical symptoms

• pip install package==X.Y fails
• Error message shows version constraints cannot be met
• Installing package with specific version fails
• Works with different version of same package
• Dependency version mismatch in requirements
• Pip shows unsatisfiable version range
• Two pinned packages have conflicting dependencies

Common causes

1. Package version doesn't exist on PyPI
2. Typo in version number
3. Version too old or too new for other dependencies
4. Package was yanked (removed) from PyPI
5. Python version incompatible with package version
6. Manually pinned incompatible versions
7. Misremembering actual version number

How to fix this error

Frequently asked questions

What does "How to fix 'Incompatible package versions' error in pip" mean?

When you specify a package version that violates its dependencies, pip refuses to install. 1'. These versions are incompatible.

How do I fix "How to fix 'Incompatible package versions' error in pip"?

The version constraint you specified for a package cannot be satisfied. Either the version doesn't exist, or you've pinned incompatible versions.

What causes "How to fix 'Incompatible package versions' error in pip"?

Package version doesn't exist on PyPI Typo in version number Version too old or too new for other dependencies

Is the "How to fix 'Incompatible package versions' error in pip" error serious?

It is a medium-severity error — more of a blocker than a risk. The steps above resolve it.

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Official resources & further reading

• 📚Python Official Documentation
• 📖
  pip install documentation(Official Docs)
• 💬
  SO: Incompatible package versions(Stack Overflow)
• 🐙
  GitHub: pip resolver issues(GitHub)