Comment 2 for bug 1467644

I built the latest hg of the 3.5 branch, 'make install'ed it into ~/python3.5, and I cannot reproduce your bug -- I get a different one:

mg@platonas: ~/src/zopefoundation/zope.testing [git:master=] $ tox -e py35 -r
GLOB sdist-make: /home/mg/src/zopefoundation/zope.testing/setup.py
py35 recreate: /home/mg/src/zopefoundation/zope.testing/.tox/py35
py35 installdeps: zope.exceptions, zope.interface
py35 inst: /home/mg/src/zopefoundation/zope.testing/.tox/dist/zope.testing-4.2.1.dev0.zip
py35 installed: wheel==0.24.0,zope.exceptions==4.0.7,zope.interface==4.1.2,zope.testing==4.2.1.dev0
py35 runtests: PYTHONHASHSEED='2911124267'
py35 runtests: commands[0] | python setup.py -q test -q
E
======================================================================
ERROR: tests (unittest.loader._FailedTest)
----------------------------------------------------------------------
Traceback (most recent call last):
ImportError: Failed to import test module: tests
Traceback (most recent call last):
  File "/home/mg/python3.5/lib/python3.5/unittest/loader.py", line 153, in loadTestsFromName
    module = __import__(module_name)
  File "/home/mg/src/zopefoundation/zope.testing/build/lib/zope/testing/tests.py", line 14, in <module>
    from . import doctest
ImportError: bad magic number in 'zope.testing.doctest': b'\x03\xf3\r\n'

----------------------------------------------------------------------
Ran 1 test in 0.000s

FAILED (errors=1)
ERROR: InvocationError: '/home/mg/src/zopefoundation/zope.testing/.tox/py35/bin/python setup.py -q test -q'
___________________________________ summary ___________________________________
ERROR: py35: commands failed

(Launchpad's bug tracker is bad, let's use GitHub from now on, ok?)