Py3 do not support "exception, e" ,we should correct it with "exception as e".

[jingtao liang]

use py3 run the test:

try:
    a > 1
except Exception, e:
    print (e)

SyntaxError: invalid syntax

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/334134

[OpenStack Infra (hudson-openstack)]

Change abandoned by Michael Still (<email address hidden>) on branch: master
Review: https://review.openstack.org/334134
Reason: This patch has been sitting unchanged for more than 12 weeks. I am therefore going to abandon it to keep the nova review queue sane. Please feel free to restore the change if you're still working on it.

[Sean Dague (sdague)]

There are no currently open reviews on this bug, changing the status back to the previous state and unassigning. If there are active reviews related to this bug, please include links in comments.

[Sean Dague (sdague)]

The only remaining instances of this are for tools designed for non python 3 envs