Martin Panter added the comment:
I think there are a couple of related bugs here, with open reports:
1. Issue 14285: runpy catches various exceptions including AttributeError, and
incorrectly assumes this means you gave it a bad module or package name.
2. Issue 19771: runpy incorrectly interpr
New submission from Cal Leeming:
Originally posted here:
http://stackoverflow.com/q/33873243/1267398
The problem is caused by this line:
# For -m switch, just display the exception
info = str(exc)
Caused by the following commit in 2008;
https://mail.python.org/pipermail/python-checkins
