From c8f9bc5962936e7a44d778a96b4154246858f238 Mon Sep 17 00:00:00 2001
From: "peng.xu" <peng.xu@zilliz.com>
Date: Wed, 18 Sep 2019 17:09:03 +0800
Subject: [PATCH] fix session bug

---
 mishards/db_base.py | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/mishards/db_base.py b/mishards/db_base.py
index 5ad1c394d7..ffbe29f94f 100644
--- a/mishards/db_base.py
+++ b/mishards/db_base.py
@@ -17,13 +17,12 @@ class DB:
                 echo=echo,
                 max_overflow=0)
         self.uri = uri
-        session = sessionmaker()
-        session.configure(bind=self.engine)
-        self.db_session = session()
+        self.session = sessionmaker()
+        self.session.configure(bind=self.engine)
 
     @property
     def Session(self):
-        return self.db_session
+        return self.session()
 
     def drop_all(self):
         self.Model.metadata.drop_all(self.engine)