pytypes 1.0 beta 3 has been released. https://github.com/Stewori/pytypes The most notable new feature is enhanced support for TypeVars. Besides this it is mainly a bugfix release. pytypes is a toolbox for PEP-484 style typing, explicitly supporting Python >= 3.3, Python 2.7, Jython >= 2.7.1, PyPy 3. Its main features include: - Runtime typechecking - Auto-annotating code from runtime observations in form of stubfiles - Utility functions: * PEP 484 aware subtype and instance checking: is_of_type(obj, tp) and is_subtype(subtype, supertype) * get_type_hints that takes stubfiles and type comments into account - Typesafe method overriding - Pull type information from stubfiles or type comments into __annotations__ for use by other tools - support for all versions of typing module - support for Python 2.7, 3.3, 3.4, 3.5, 3.6, Jython 2.7.1, PyPy - all features smoothly work with OOP, i.e. methods, static methods, class methods, properties pytypes is still in beta phase. File issues as the occur. Help is welcome! Github: https://github.com/Stewori/pytypes/releases PyPI: https://pypi.python.org/pypi/pytypes License: Apache 2.0 Enjoy! -Stefan