diff --git a/client-py/src/SessionExample.py b/client-py/src/SessionExample.py
index 9eac78fd474f66cdb2c648c6394b6555bc2bd0b7..697d07595d37b8b2e2660644d2b6c908932217e4 100644
--- a/client-py/src/SessionExample.py
+++ b/client-py/src/SessionExample.py
@@ -19,7 +19,8 @@
 # Uncomment the following line to use apache-iotdb module installed by pip3
 
 from iotdb.Session import Session
-from iotdb.utils import Tablet
+from iotdb.utils.Tablet import Tablet
+from iotdb.utils.IoTDBConstants import *
 
 # creating session connection.
 ip = "127.0.0.1"
diff --git a/client-py/src/iotdb/Session.py b/client-py/src/iotdb/Session.py
index 839ba95416a0e25555287dcec37d03b6f65512e9..00186ec2d6d3c5339ad126b493f0f3a18d51313c 100644
--- a/client-py/src/iotdb/Session.py
+++ b/client-py/src/iotdb/Session.py
@@ -20,7 +20,8 @@ import struct
 import sys
 import time
 
-from .utils import SessionDataSet
+from .utils.SessionDataSet import SessionDataSet
+from .utils.IoTDBConstants import *
 
 from thrift.protocol import TBinaryProtocol, TCompactProtocol
 from thrift.transport import TSocket, TTransport