[Slackbuilds-users] txrequests fails to build

[Lockywolf]

#+begin_src
Traceback (most recent call last):
  File "setup.py", line 6, in <module>
    import txrequests
  File "/tmp/SBo/txrequests-0.9.6/txrequests/__init__.py", line 30, in <module>
    from .sessions import Session
  File "/tmp/SBo/txrequests-0.9.6/txrequests/sessions.py", line 24, in <module>
    from twisted.internet import defer, reactor
  File "/usr/lib64/python2.7/site-packages/twisted/internet/defer.py", line 32, in <module>
    from twisted.logger import Logger
  File "/usr/lib64/python2.7/site-packages/twisted/logger/__init__.py", line 102, in <module>
    from ._logger import Logger, _loggerFor
  File "/usr/lib64/python2.7/site-packages/twisted/logger/_logger.py", line 274, in <module>
    _log = Logger()
  File "/usr/lib64/python2.7/site-packages/twisted/logger/_logger.py", line 70, in __init__
    from ._global import globalLogPublisher
  File "/usr/lib64/python2.7/site-packages/twisted/logger/_global.py", line 16, in <module>
    from ._buffer import LimitedHistoryLogObserver
  File "/usr/lib64/python2.7/site-packages/twisted/logger/_buffer.py", line 11, in <module>
    from zope.interface import implementer
  File "/usr/lib64/python2.7/site-packages/zope/interface/__init__.py", line 53, in <module>
    from zope.interface.interface import Interface
  File "/usr/lib64/python2.7/site-packages/zope/interface/interface.py", line 660, in <module>
    {'__slots__': ()}
  File "/usr/lib64/python2.7/site-packages/zope/interface/interface.py", line 641, in __new__
    kind = type.__new__(cls, name, bases, attrs)
TypeError: a new-style class can't have only classic bases
Failures:
  txrequests: txrequests.SlackBuild return non-zero
#+end_src

Has anyone seen this problem before?

-- 
Your sincerely,
Vladimir Nikishkin (MiEr, lockywolf)
(Laptop)