fixed cl-core bootstrap (in client_class)

pym/core/client/client_class.py

@@ -21,8 +21,7 @@ import os
 import sys
 import calculate.contrib
 from suds.transport.http import HttpTransport
-import httplib.client #http.client in python3
-from httplib.client import HTTPConnection
+from http.client import HTTPConnection, HTTPSConnection
 import socket
 import ssl
 import hashlib
@@ -59,7 +58,7 @@ class Client_suds(Client):
             os.makedirs(self.CRL_PATH)
 
 
-class clientHTTPSConnection(httplib.HTTPSConnection):
+class clientHTTPSConnection(HTTPSConnection):
     def __init__(self, host, port=None, key_file=None, cert_file=None,
                  strict=None, timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
                  source_address=None, cert_path=None):