diff --git a/sjrpc/core/rpcconnection.py b/sjrpc/core/rpcconnection.py
index 7b3c0070b7d2587f9c65fd2cbc6a3604bdc95d55..dbc791da638e772fec5baf464e6e1aa2f6ceade7 100644
--- a/sjrpc/core/rpcconnection.py
+++ b/sjrpc/core/rpcconnection.py
@@ -66,7 +66,7 @@ class RpcConnection(object):
 
     @classmethod
     def from_addr(cls, addr, port, manager, enable_ssl=False, timeout=None,
-                  conn_timeout=30.0,cert=None, handler=None):
+                  conn_timeout=30.0, cert=None, handler=None):
         '''
         Construct the instance of :class:`RpcConnection` without providing
         the :class:`socket` object. Socket is automatically created and passed