0.23.1 (2015-08-22)

Bugs fixed

• Invalid C code for generators. This fixes ticket 858.
• Invalid C code for some builtin methods. This fixes ticket 856.
• Invalid C code for unused local buffer variables.This fixes ticket 154.
• Test failures on 32bit systems. This fixes ticket 857.
• Code that uses from xyz import * and global C struct/union/arrayvariables could fail to compile due to missing helper functions.This fixes ticket 851.
• Misnamed PEP 492 coroutine property cr_yieldfrom renamed tocr_await to match CPython.
• Missing deallocation code for C++ object attributes in certainextension class hierarchies.
• Crash when async coroutine was not awaited.
• Compiler crash on yield in signature annotations and defaultargument values. Both are forbidden now.
• Compiler crash on certain constructs in finally clauses.
• Cython failed to build when CPython’s pgen is installed.