SSLError: SSL exception connecting to https://127.0.0.1:35357

i have install the freezer-api and registered api to openstack

"endpoints": [
                    {
                        "adminURL": "http://controller:9090",
                        "id": "7a2c5794926949e7912add888e15875b",
                        "internalURL": "http://controller:9090",
                        "publicURL": "http://controller:9090",
                        "region": "regionOne"
                    }
                ],
                "endpoints_links": [],
                "name": "freezer",
                "type": "backup"

i have also installed python freezer client on some other host
 when i am trying to request from client ,
On Client
----------------
(freezer) client-list
Starting new HTTP connection (1): <ip>
Starting new HTTP connection (1): <ip>
[*] Error 500: Internal Server Error

On server
-----------------
SSLError: SSL exception connecting to https://127.0.0.1:35357: [SSL: UNKNOWN_PROTOCOL] unknown protocol (_ssl.c:765)

can you please tell me what i need to change to make this work