ok dropped backward compatibility in redis_*.py

gluon/contrib/redis_session.py

@@ -11,7 +11,7 @@ import logging
 import thread
 from gluon import current
 from gluon.storage import Storage
-from gluon.contrib.redis_utils import acquire_lock, release_lock, RConn
+from gluon.contrib.redis_utils import acquire_lock, release_lock
 from gluon.contrib.redis_utils import register_release_lock
 
 logger = logging.getLogger("web2py.session.redis")
@@ -39,11 +39,6 @@ def RedisSession(redis_conn, session_expiry=False, with_lock=False, db=None):
     Simple slip-in storage for session
     """
 
-    # for backward compatibility
-    if isinstance(redis_conn, str):
-        host, port = redis_conn.split(':')
-        redis_conn = RConn(host=host, port=int(port), db=db)
-
     locker.acquire()
     try:
         instance_name = 'redis_instance_' + current.request.application