[issue21930] new assert raises syntax proposal

Pavel Tyslyatsky added the comment: Thanks for reply, I really missed many cases. I will try look deeper. -- ___ Python tracker <http://bugs.python.org/issue21

[issue21930] new assert raises syntax proposal

New submission from Pavel Tyslyatsky: This proposal look preaty close to pep-463: http://legacy.python.org/dev/peps/pep-0463/, but in assertion context. Now python test libraries have different aproach for assertions, some try use own implementations, for example, for equality `assertEqual