We are seeing this error in /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]
from eventlet import greenpool
ImportError: cannot import name greenpool

glance/greenlet version
sh-4.2# yum list installed | grep -i "eventlet\|glance"
openstack-glance.noarch           1:19.0.4-1.el7           @local_openstack-tnrp
python2-eventlet.noarch           0.25.1-1.el7             @local_openstack-tnrp
python2-glance.noarch             1:19.0.4-1.el7           @local_openstack-tnrp
python2-glance-store.noarch       1.0.1-1.el7              @local_openstack-tnrp
python2-glanceclient.noarch       1:2.17.1-1.el7           @local_openstack-tnrp
Log
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns: Traceback (most recent call last):
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:   File "/usr/bin/glance-manage", line 6, in <module>
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:     from glance.cmd.manage import main
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:   File "/usr/lib/python2.7/site-packages/glance/cmd/manage.py", line 54, in <module>
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:     from glance.db.sqlalchemy import alembic_migrations
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:   File "/usr/lib/python2.7/site-packages/glance/db/sqlalchemy/alembic_migrations/__init__.py", line 28, in <module>
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:     from glance.db.sqlalchemy import api as db_api
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:   File "/usr/lib/python2.7/site-packages/glance/db/sqlalchemy/api.py", line 46, in <module>
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:     from glance.common import utils
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:   File "/usr/lib/python2.7/site-packages/glance/common/utils.py", line 29, in <module>
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:     from eventlet.green import socket
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:   File "/usr/lib/python2.7/site-packages/eventlet/__init__.py", line 10, in <module>
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:     from eventlet import convenience
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:   File "/usr/lib/python2.7/site-packages/eventlet/convenience.py", line 4, in <module>
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns:     from eventlet import greenpool
Notice: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]/returns: ImportError: cannot import name greenpool
Error: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]: Failed to call refresh: 'glance-manage  db_sync' returned 1 instead of one of [0]
Error: /Stage[main]/Glance::Db::Sync/Exec[glance-manage db_sync]: 'glance-manage  db_sync' returned 1 instead of one of [0]
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