2015-04-13, TSergey, upgrade error

Checking PostGIS installation
   ... found
Checking postgresql database connection
Checking mongodb database connection
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>
    import pymongo
  File "/opt/noc/lib/python2.7/site-packages/pymongo/__init__.py", line 90, in <module>
    from pymongo.common import (MIN_SUPPORTED_WIRE_VERSION,
  File "/opt/noc/lib/python2.7/site-packages/pymongo/common.py", line 19, in <module>
    from pymongo import read_preferences
  File "/opt/noc/lib/python2.7/site-packages/pymongo/read_preferences.py", line 19, in <module>
    from pymongo.errors import ConfigurationError
  File "/opt/noc/lib/python2.7/site-packages/pymongo/errors.py", line 17, in <module>
    from bson.errors import *
ImportError: No module named bson.errors
upgrade-user: : Unable to connect to mongodb database. Check noc.conf settings
Terminating

root@noc:/opt/noc# mongo noc
MongoDB shell version: 2.6.3
> db.getUsers()
[
        {
                "_id" : "noc.noc",
                "user" : "noc",
                "db" : "noc",
                "roles" : [
                        {
                                "role" : "dbOwner",
                                "db" : "noc"
                        }
                ]
        }
]

> db.getName()
noc

# noc.conf
[nosql_database]
# MongoDB database name
name = noc
# MongoDB database user
user = noc
# MongoDB database password
password = noc
#
host =
#
port =
# Mongo replica set name for HA configuration
replica_set =

root@noc:/opt/noc# mongostat
connected to: 127.0.0.1
insert  query update delete getmore command flushes mapped  vsize    res faults  locked db idx miss %     qr|qw   ar|aw  netIn netOut  conn       time
    *0     *0     *0     *0       0     1|0       0  2.44g  5.05g    70m      0   noc:0.0%          0       0|0     0|0    62b     3k     1   09:53:32
    *0     *0     *0     *0       0     1|0       0  2.44g  5.05g    70m      0  test:0.0%          0       0|0     0|0    62b     3k     1   09:53:33
    *0     *0     *0     *0       0     1|0       0  2.44g  5.05g    70m      0  test:0.0%          0       0|0     0|0    62b     3k     1   09:53:34
    *0     *0     *0     *0       0     1|0       0  2.44g  5.05g    70m      0  test:0.0%          0       0|0     0|0    62b     3k     1   09:53:35
^C

root@noc:/opt/noc# mongo -u noc -p noc noc
MongoDB shell version: 2.6.3
connecting to: noc
> exit
bye
root@noc:/opt/noc# mongo -u noc -p noctest noc
MongoDB shell version: 2.6.3
connecting to: noc
2015-04-13T09:54:49.135+0600 Error: 18 { ok: 0.0, errmsg: "auth failed", code: 18 } at src/mongo/shell/db.js:1210
exception: login failed