Friday, 10 November 2017

Mypy 0.550 released

We’ve just uploaded mypy 0.550 to the Python Package Index (PyPI). This release includes new features, bug fixes and library stub (typeshed) updates. You can install it as follows:

    python3 -m pip install -U mypy

You can read the documentation for this release on ReadTheDocs.

Notable Changes

  • The --old-html-report flag was removed (PR 4204)
  • Replace --disallow-any flags with separate boolean flags (PR 4178)
  • Running mypy on Python 3.3 is no longer supported. However Python 3.3 is still valid for the target of the analysis (i.e. the --python-version flag) (PR 4152)

Notable Bugs Fixed

  • Fix classmethod access for Tuple subclasses (PR 4164)
  • Ignore failure to remove temporary files (PR 4163)
  • Make stubgen return status 0 on --help (PR 4160)
  • Fix broken installation on Windows in virtualenv (PR 4149)
  • Fix recent crashes in forward refs (PR 4120)
  • The source of mypy itself is now fully strict-optional compatible (PR 4078)
  • Check code after inferred UninhabitedType (PR 4059)

Notable Typeshed Changes

Acknowledgments

First of all, we’d like to thank our employer, Dropbox, for funding the mypy core team.

Thanks to all mypy contributors who contributed to this release:

  • Aleksander Gondek
  • Elazar Gershuni
  • Gareth T
  • Gregory Werbin
  • Hugo vk
  • Ivan Levkivskyi
  • Jelle Zijlstra
  • Rahiel Kasim
  • Svyatoslav Ilinskiy

Additional thanks to all contributors to typeshed:

  • Alan Du
  • Carl Meyer
  • Ethan Smith
  • Grzegorz Śliwiński
  • Ilya Konstantinov
  • Jelle Zijlstra
  • Josh Staiger
  • Martin DeMello
  • Matthew Wright
  • Matěj Cepl
  • Patrick Valsecchi
  • Roy Williams
  • Sally
  • Sebastian Rittau
  • Sebastian Steenbuck
  • Wilfred Hughes
  • Zac Hatfield Dodds
  • anentropic
  • hashstat
  • marienz
  • rchen152

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