root@nocproject2:/opt/noc# sudo ./scripts/check-db.py --mongo
Traceback (most recent call last):
  File "./scripts/check-db.py", line 36, in <module>
    check_mongo()
  File "./scripts/check-db.py", line 23, in check_mongo
    from noc.lib.nosql import get_db
  File "/opt/noc/lib/nosql.py", line 18, in <module>
    from mongoengine.base import *
  File "/opt/noc/lib/python2.7/site-packages/mongoengine/__init__.py", line 1, in <module>
    import document
  File "/opt/noc/lib/python2.7/site-packages/mongoengine/document.py", line 9, in <module>
    from connection import get_db, DEFAULT_CONNECTION_NAME
  File "/opt/noc/lib/python2.7/site-packages/mongoengine/connection.py", line 2, in <module>
    from pymongo import Connection, ReplicaSetConnection, uri_parser
ImportError: cannot import name Connection