connect to MongoDB via ssh tunnel

connection.py

from sshtunnel import SSHTunnelForwarder
import pymongo

MONGO_HOST = "IP_ADDRESS"
MONGO_USER = "USERNAME"
MONGO_PASS = "PASSWORD"
MONGO_DB = "DATABASE_NAME"
MONGO_COLLECTION = "COLLECTION_NAME"

# define ssh tunnel
server = SSHTunnelForwarder(
    MONGO_HOST,
    ssh_username=MONGO_USER,
    ssh_password=MONGO_PASS,
    remote_bind_address=('127.0.0.1', 27017)
)

# start ssh tunnel
server.start()

connection = pymongo.MongoClient('127.0.0.1', 27017)
db = connection[MONGO_DB]
collection = db[MONGO_COLLECTION]

# close ssh tunnel
server.stop()

how can resolve mongo DB connection issues