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 17, in <module>
    import pymongo
  File "/opt/noc/lib/python2.7/site-packages/pymongo/__init__.py", line 80, in <module>
    from pymongo.connection import Connection
  File "/opt/noc/lib/python2.7/site-packages/pymongo/connection.py", line 39, in <module>
    from pymongo.mongo_client import MongoClient
  File "/opt/noc/lib/python2.7/site-packages/pymongo/mongo_client.py", line 44, in <module>
    from bson.py3compat import b
ImportError: No module named bson.py3compat
upgrade-user: 36: Unable to connect to mongodb database. Check noc.conf settings