0.7.1: Add unique option to DataFrameSchema

Enhancements

• add support for Any annotation in schema model (#594)
• add support for timezone-aware datetime strategies (#595)
• unique keyword arg: replace and deprecate allow_duplicates (#580)
• Add support for empty data type annotation in SchemaModel (#602)
• support frictionless primary keys with multiple fields (#608)

Bugfixes

• unify typing.DataFrame class definitions (#576)
• schemas with multi-index columns correctly report errors (#600)
• strategies module supports undefined checks in regex columns (#599)
• fix validation of check raising error without message (#613)

Docs Improvements

• Tutorial: docs/scaling - Bring Pandera to Spark and Dask (#588)

Repo Improvements

• use virtualenv instead of conda in ci (#578)

Dependency Changes

• remove frictionless from core pandera deps (#609)
• docs/requirements.txt pin setuptools (#611)

Contributors

🎉🎉 Big shout out to all the contributors on this release 🎉🎉

• @admackin
• @jeffzi
• @tfwillems
• @fkrull8
• @kvnkho