Update the sdk example

from couchbase.cluster import Cluster

from couchbase_core.cluster import PasswordAuthenticator

from couchbase.durability import Durability

from couchbase.cluster import ClusterOptions

try:

    authenticator = PasswordAuthenticator('default', 'password')

    cluster = Cluster('couchbase://10.143.190.101',ClusterOptions(authenticator))

    cb = cluster.bucket('default')

    cb_coll=cb.default_collection()

    cb_coll.upsert('king_arthur1', {'name': 'Arthur', 'email': 'kingarthur@couchbase.com', 'interests': ['Holy Grail', 'African Swallows']})

except Exception as e:

    print (e)