Tornado 6.1+Python 3.4

Why?

Why is Tornado 6.1 incompatible with Python 3.4?

Requirement

Python >=3.5,<3.10

Selected version

Python 3.4

Evaluation

3.4.10 does not satisfy >=3.5,<3.10

Conclusion

INCOMPATIBLE

Evidence

CompatHub reports compatibility from upstream sources rather than making unsupported claims of its own.

• PyPI JSON API

  Confidence: HIGH

  https://pypi.org/pypi/tornado/6.1/json

  Retrieved 30 August 2026

  Requirement: >=3.5,<3.10

• PyPI JSON API

  Confidence: HIGH

  https://pypi.org/pypi/tornado/6.1/json

  Retrieved 30 August 2026

  PyPI classifier: Programming Language :: Python :: 3.5

• PyPI JSON API

  Confidence: HIGH

  https://pypi.org/pypi/tornado/6.1/json

  Retrieved 30 August 2026

  PyPI classifier: Programming Language :: Python :: 3.6

• PyPI JSON API

  Confidence: HIGH

  https://pypi.org/pypi/tornado/6.1/json

  Retrieved 30 August 2026

  PyPI classifier: Programming Language :: Python :: 3.7

• PyPI JSON API

  Confidence: HIGH

  https://pypi.org/pypi/tornado/6.1/json

  Retrieved 30 August 2026

  PyPI classifier: Programming Language :: Python :: 3.8

• PyPI JSON API

  Confidence: HIGH

  https://pypi.org/pypi/tornado/6.1/json

  Retrieved 30 August 2026

  PyPI classifier: Programming Language :: Python :: 3.9

Python versions

Compatibility is derived from the project's declared Python requirement (>=3.5,<3.10); it does not mean every version combination has been independently tested.

• 3.3❌
• 3.4❌
• 3.5✓
• 3.6✓
• 3.7✓
• 3.8✓
• 3.9✓
• 3.10❌

Other Python versions satisfying this requirement

Tornado 6.1 — compatible Python lines tracked in CompatHub

• ✓Python 3.5version lineEOL
• ✓Python 3.6version lineEOL
• ✓Python 3.7version lineEOL
• ✓Python 3.8version lineEOL
• ✓Python 3.9version lineEOL

Other Tornado versions

Only lines with relevant compatibility evidence are listed.

• Tornado 6.5
• Tornado 6.4
• Tornado 6.3
• Tornado 6.2
• Tornado 6.1
• Tornado 6.0

Lifecycle context

Lifecycle status is separate from compatibility. An EOL component can still satisfy a documented version requirement.