On 19Aug2016 0910, Chris Angelico wrote:
On Sat, Aug 20, 2016 at 1:26 AM, Steve Dower <steve.do...@python.org> wrote:
Check any .pth files you can find. I suspect mpl_toolkits has some magic in
it to make the namespace package work on 2.7.
$ cat /usr/local/lib/python3.6/site-packages/matplotlib-1.5.1-py3.6-nspkg.pth
import sys, types, os;p =
os.path.join(sys._getframe(1).f_locals['sitedir'],
*('mpl_toolkits',));ie =
os.path.exists(os.path.join(p,'__init__.py'));m = not ie and
sys.modules.setdefault('mpl_toolkits',
types.ModuleType('mpl_toolkits'));mp = (m or []) and
m.__dict__.setdefault('__path__',[]);(p not in mp) and mp.append(p)
Is it possible that that's the cause? And if so, should "python -I"
remove /usr/local/lib/python3.6/site-packages from sys.path?
That explains the extra modules - types.py imports collections and
collections.abc, which would seem to account for the rest.
I'm not sure whether that's causing the problem or not, but temporarily
renaming that pth file so it isn't picked up may help you track down the
test issue.
"python -S" is the only way to avoid .pth files, but that's a pretty
heavy hammer.
Cheers,
Steve
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