Error installing ginkgo.master

err.log

TASK [edxapp : create service worker users] ************************************
failed: [localhost] (item={u'username': u'enterprise_worker', u'is_superuser': False, u'is_staff': True, u'email': u'[email protected]'}) => {"cha
nged": true, "cmd": "/edx/app/edxapp/venvs/edxapp/bin/python ./manage.py lms --settings=aws --service-variant lms manage_user enterprise_worker enterprise_wor
[email protected] --unusable-password  --staff", "delta": "0:00:04.614549", "end": "2017-12-10 03:53:50.306640", "failed": true, "item": {"email": "enterprise_w
[email protected]", "is_staff": true, "is_superuser": false, "username": "enterprise_worker"}, "rc": 1, "start": "2017-12-10 03:53:45.692091", "stderr": "Trac
eback (most recent call last):\n  File \"./manage.py\", line 112, in <module>\n    startup.run()\n  File \"/edx/app/edxapp/edx-platform/lms/startup.py\", line
 26, in run\n    django.setup()\n  File \"/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/__init__.py\", line 18, in setup\n    apps.pop
ulate(settings.INSTALLED_APPS)\n  File \"/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/apps/registry.py\", line 108, in populate\n
app_config.import_models(all_models)\n  File \"/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/apps/config.py\", line 198, in import_mod
els\n    self.models_module = import_module(models_module_name)\n  File \"/usr/lib/python2.7/importlib/__init__.py\", line 37, in import_module\n    __import_
_(name)\n  File \"/edx/app/edxapp/edx-platform/common/djangoapps/student/models.py\", line 52, in <module>\n    from certificates.models import GeneratedCerti
ficate\n  File \"/edx/app/edxapp/edx-platform/lms/djangoapps/certificates/models.py\", line 67, in <module>\n    from lms.djangoapps.instructor_task.models im
port InstructorTask\n  File \"/edx/app/edxapp/edx-platform/lms/djangoapps/instructor_task/models.py\", line 22, in <module>\n    from boto.exception import Bo
toServerError\n  File \"/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/boto/__init__.py\", line 1216, in <module>\n    boto.plugin.load_plugin
s(config)\nAttributeError: 'module' object has no attribute 'plugin'", "stdout": "", "stdout_lines": [], "warnings": []}
        to retry, use: --limit @/var/tmp/configuration/playbooks/edx_sandbox.retry

PLAY RECAP *********************************************************************
localhost                  : ok=199  changed=138  unreachable=0    failed=1