ssl enabled and call BucketManger is throwing "remote host refused connection"

1. Have above versions of server, libcouchbase, couchbase
2. Have the server up and running 
3. Open python prompt
4. Run below steps
   1. from couchbase.bucket import Bucket
   2. b = Bucket("couchbases://192.168.33.10/data-bucket?ssl=no_verify", password='password')

1. 1. b_manager = b.bucket_manager()

1. 1. b_manager.n1ql_index_create_primary(ignore_exists=True)

Result : It is throwing an error

"

File "/usr/local/lib/python2.7/site-packages/couchbase/bucketmanager.py", line 428, in n1ql_index_create_primary

    '', defer=defer, primary=True, ignore_exists=ignore_exists)

  File "/usr/local/lib/python2.7/site-packages/couchbase/bucketmanager.py", line 412, in n1ql_index_create

    return IxmgmtRequest(self._cb, 'create', info, **options).execute()

  File "/usr/local/lib/python2.7/site-packages/couchbase/_ixmgmt.py", line 160, in execute

    return [x for x in self]

  File "/usr/local/lib/python2.7/site-packages/couchbase/ixmgmt.py", line 147, in __iter_

    raw_rows = self.__raw.fetch(self._mres)

couchbase.exceptions.LCB_0x2C (generated, catch: CouchbaseNetworkError, CouchbaseTransientError): <RC=0x2C[The remote host refused the connection. Is the service up?], HTTP Request failed. Examine 'objextra' for full result, Results=1, C Source=(src/http.c,140), OBJ=ViewResult<rc=0x2C[The remote host refused the connection. Is the service up?], value=None, http_status=0>>

"

Note : It works fine if I use couchbase

b = Bucket("couchbase://192.168.33.10/data-bucket", password='password')