Comment 2 for bug 1733013

I was able to verify this on xenial.

ubuntu@juju-0ee92f-stg-error-tracker-5:~$ wget 127.0.0.1:8080
--2017-12-06 23:55:29-- http://127.0.0.1:8080/
Connecting to 127.0.0.1:8080... connected.
HTTP request sent, awaiting response... 500 Internal Server Error
2017-12-06 23:55:29 ERROR 500: Internal Server Error.

ubuntu@juju-0ee92f-stg-error-tracker-5:~$ apt-cache policy python-django-tastypie
python-django-tastypie:
  Installed: 0.12.0-1build1
  Candidate: 0.13.3-1~16.04.1
  Version table:
     0.13.3-1~16.04.1 500
        500 http://ppa.launchpad.net/daisy-pluckers/daisy-seeds/ubuntu xenial/main amd64 Packages
 *** 0.12.0-1build1 500
        500 http://prodstack-zone-2.clouds.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
        100 /var/lib/dpkg/status
ubuntu@juju-0ee92f-stg-error-tracker-5:~$ apt-cache policy python-django-tastypie
python-django-tastypie:
  Installed: 0.13.3-1~16.04.1
  Candidate: 0.13.3-1~16.04.1
  Version table:
 *** 0.13.3-1~16.04.1 500
        500 http://prodstack-zone-2.clouds.archive.ubuntu.com/ubuntu xenial-proposed/universe amd64 Packages
        100 /var/lib/dpkg/status
     0.13.3-1~16.04.1 500
        500 http://ppa.launchpad.net/daisy-pluckers/daisy-seeds/ubuntu xenial/main amd64 Packages
     0.12.0-1build1 500
        500 http://prodstack-zone-2.clouds.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
ubuntu@juju-0ee92f-stg-error-tracker-5:~$ sudo service gunicorn restart
ubuntu@juju-0ee92f-stg-error-tracker-5:~$ wget 127.0.0.1:8080
--2017-12-06 23:57:23-- http://127.0.0.1:8080/
Connecting to 127.0.0.1:8080... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: ‘index.html’

index.html [ <=> ] 11.40K --.-KB/s in 0s

2017-12-06 23:57:27 (47.8 MB/s) - ‘index.html’ saved [11670]

The 500 error with the version of the package was associated with the following OOPS.

S-5af7bc03693708a4369385ee55754abb OOPS-69a1381f31c69a3d89fcdef9a6cdf4b1
ubuntu@juju-0ee92f-stg-error-tracker-5:~$ cat /srv/errors.staging.ubuntu.com/staging/oops-local/2017-12-06/OOPS-5af7bc03693708a4369385ee55754abb
req_vars~HTTP_ACCEPT*/*HTTP_USER_AGENTWget/1.17.1 (linux-gnu)HTTP_CONNECTION
                                                                            Keep-AliveSERVER_NAM0.0.0.0SCRIPT_NAMEwsgi.url_schemehttpREQUEST_METHODGETHTTP_HOST127.0.0.1:8080PATH_INFO/SERVER_PORT8080SERVER_PROTOCOL HTTP/1.1QUERY_STRINGwsgi.version01HTTP_ACCEPT_ENCODING identityreportererrorsurlhttp://127.0.0.1:8080/hostname juju-0ee92f-stg-error-tracker-5value5'module' object has no attribute 'commit_on_success' time�A.`typeAttributeErrorid&OOPS-5af7bc03693708a4369385ee55754abbtb_textp