[Checkins] [zopefoundation/zope.proxy] db1b3f: Fix error handling in the tp_setattro slot

[Marius Gedminas]

  Branch: refs/heads/fix-error-handling-in-tp_setattro
  Home:   https://github.com/zopefoundation/zope.proxy
  Commit: db1b3f4bce5e48ee465ca5d17920ed9984833969
      https://github.com/zopefoundation/zope.proxy/commit/db1b3f4bce5e48ee465ca5d17920ed9984833969
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2019-06-27 (Thu, 27 Jun 2019)

  Changed paths:
    M src/zope/proxy/_zope_proxy_proxy.c

  Log Message:
  -----------
  Fix error handling in the tp_setattro slot

The docs say this callback is supposed to return -1 on error.

Fixes #30.