Run the tests...

[greut]

I've realised that something was wrong there with the times spent.

No tests were running... and tox+tox-travais are failing when the atexit call is made by pyvips. Something that doesn't occur locally...

So, this rolls back tox-travis but keeps the rest.

[jcupitt]

OK, merged!

[greut]

fyi https://travis-ci.org/greut/pyvips/builds/283283621

Error in atexit._run_exitfuncs:
Traceback (most recent call last):
  File "/opt/python/2.7.13/lib/python2.7/atexit.py", line 24, in _run_exitfuncs
    func(*targs, **kargs)
  File "/home/travis/build/greut/pyvips/pyvips/__init__.py", line 120, in _remove_log_handler
    glib_lib.g_log_remove_handler(_to_bytes('VIPS'), _log_handler_id)
  File "/home/travis/build/greut/pyvips/.tox/py27-test/lib/python2.7/site-packages/cffi/api.py", line 875, in __getattr__
    make_accessor(name)
  File "/home/travis/build/greut/pyvips/.tox/py27-test/lib/python2.7/site-packages/cffi/api.py", line 871, in make_accessor
    accessors[name](name)
  File "/home/travis/build/greut/pyvips/.tox/py27-test/lib/python2.7/site-packages/cffi/api.py", line 800, in accessor_function
    BType = ffi._get_cached_btype(tp)
  File "/home/travis/build/greut/pyvips/.tox/py27-test/lib/python2.7/site-packages/cffi/api.py", line 416, in _get_cached_btype
    BType = type.get_cached_btype(self, finishlist)
  File "/home/travis/build/greut/pyvips/.tox/py27-test/lib/python2.7/site-packages/cffi/model.py", line 60, in get_cached_btype
    BType = self.build_backend_type(ffi, finishlist)
  File "/home/travis/build/greut/pyvips/.tox/py27-test/lib/python2.7/site-packages/cffi/model.py", line 255, in build_backend_type
    tuple(args), result, self.ellipsis, *abi_args)
TypeError: 'NoneType' object is not callable
Error in sys.exitfunc:
Traceback (most recent call last):
  File "/opt/python/2.7.13/lib/python2.7/atexit.py", line 24, in _run_exitfuncs
    func(*targs, **kargs)
  File "/home/travis/build/greut/pyvips/pyvips/__init__.py", line 120, in _remove_log_handler
    glib_lib.g_log_remove_handler(_to_bytes('VIPS'), _log_handler_id)
  File "/home/travis/build/greut/pyvips/.tox/py27-test/lib/python2.7/site-packages/cffi/api.py", line 875, in __getattr__
    make_accessor(name)
  File "/home/travis/build/greut/pyvips/.tox/py27-test/lib/python2.7/site-packages/cffi/api.py", line 871, in make_accessor
    accessors[name](name)
  File "/home/travis/build/greut/pyvips/.tox/py27-test/lib/python2.7/site-packages/cffi/api.py", line 800, in accessor_function
    BType = ffi._get_cached_btype(tp)
  File "/home/travis/build/greut/pyvips/.tox/py27-test/lib/python2.7/site-packages/cffi/api.py", line 416, in _get_cached_btype
    BType = type.get_cached_btype(self, finishlist)
  File "/home/travis/build/greut/pyvips/.tox/py27-test/lib/python2.7/site-packages/cffi/model.py", line 60, in get_cached_btype
    BType = self.build_backend_type(ffi, finishlist)
  File "/home/travis/build/greut/pyvips/.tox/py27-test/lib/python2.7/site-packages/cffi/model.py", line 255, in build_backend_type
    tuple(args), result, self.ellipsis, *abi_args)
TypeError: 'NoneType' object is not callable