Cookie.py __slots__ error in python3.6 #71

======================================================================
FAIL: test_psphandler (__main__.PerRequestTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test.py", line 2082, in test_psphandler
    self.fail(repr(rsp))

AssertionError:
<pre>
Mod_python error: "PythonHandler mod_python.psp"
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/mod_python/apache.py", line 353, in HandlerDispatch
    log=debug)
  File "/usr/local/lib/python3.6/site-packages/mod_python/apache.py", line 637, in import_module
    module = imp.load_module(mname, f, p, d)
  File "/usr/local/lib/python3.6/imp.py", line 235, in load_module
    return load_source(name, filename, file)
  File "/usr/local/lib/python3.6/imp.py", line 172, in load_source
    module = _load(spec)
  File "&lt;frozen importlib._bootstrap&gt;", line 684, in _load
  File "&lt;frozen importlib._bootstrap&gt;", line 665, in _load_unlocked
  File "&lt;frozen importlib._bootstrap_external&gt;", line 678, in exec_module
  File "&lt;frozen importlib._bootstrap&gt;", line 219, in _call_with_frames_removed
  File "/usr/local/lib/python3.6/site-packages/mod_python/psp.py", line 21, in &lt;module&gt;
    from . import apache, Session, util, _psp
  File "/usr/local/lib/python3.6/site-packages/mod_python/Session.py", line 32, in &lt;module&gt;
    from . import apache, Cookie
  File "/usr/local/lib/python3.6/site-packages/mod_python/Cookie.py", line 105, in &lt;module&gt;
    _metaCookie = metaCookie(\'Cookie\', (object, ), {})
  File "/usr/local/lib/python3.6/site-packages/mod_python/Cookie.py", line 101, in __new__
    return type.__new__(cls, clsname, bases, clsdict)
ValueError: \'expires\' in __slots__ conflicts with class variable
</pre>

mod_python version

mod_python:  3.5.0-e9fc930
             '/usr/lib64/httpd/modules/mod_python.so'

python:      3.6.6 (default, Jul  9 2018, 17:07:16) [GCC 4.8.5 20150623 (Red Hat 4.8.5-16)]
             '/usr/local/bin/python3.6'

httpd:       2.4.6
             '/usr/sbin/httpd'

apr:         1.4.8
platform:    Linux-3.10.0-693.17.1.el7.x86_64-x86_64-with-centos-7.4.1708-Core