Qdrouterd will not start after upgrade from Foreman 1.17 -> 1.18 / Katello 3.6 -> 3.7

Problem:
qdrouterd will not start after upgrade from Foreman 1.17 -> 1.18 / Katello 3.6 -> 3.7

Expected outcome:
The service would start and be functional

Foreman and Proxy versions:
foreman-release-1.18.1-1.el7.noarch

Foreman and Proxy plugin versions:
katello-3.7.0-4.el7.noarch

Other relevant data:

$ /usr/sbin/qdrouterd -c /etc/qpid-dispatch/qdrouterd.conf
2018-09-03 14:25:11.578040 -0400 ERROR (error) Python: AttributeError: ‘module’ object has no attribute ‘_import_’
2018-09-03 14:25:11.578230 -0400 ERROR (error) Traceback (most recent call last):
File “/usr/lib/qpid-dispatch/python/qpid_dispatch_internal/dispatch.py”, line 151, in
builtin_import = builtins._import_
AttributeError: ‘module’ object has no attribute ‘_import_’

2018-09-03 14:25:11.578250 -0400 PYTHON (critical) Cannot load dispatch extension module ‘qpid_dispatch_internal.dispatch’

See here https://community.theforeman.org/t/fix-for-problem-with-qpid-dispatch-router-1-2-0/10834

Excellent. Thank you. I dug around looking for an existing fix before posting. Must not have worked my search well enough. Ah well. Thanks!