Bill Bergmann added the comment:
Thank you for your response. The program works as expected.
I removed PYTHONPATH settings for 3.4 and 2.7. I'm not sure how those settings
were written. I suspect something related to virtualenv, and I will be watching
to see if they are written again.
W
New submission from Bill Bergmann:
python 3.4 attempting to run example at
https://docs.python.org/3/library/concurrent.futures.html
17.4.2.1
$ python3 17_4_2.py
Traceback (most recent call last):
File "", line 2195, in _find_and_load_unlocked
AttributeError: 'module
