From f395312690562ba19799546d7c8720b2bc39f1d2 Mon Sep 17 00:00:00 2001
From: jmartin <jmartin@zikzakmedia.com>
Date: Thu, 10 Mar 2016 13:35:15 +0100
Subject: [PATCH] Follow PEP-0249 for Transaction and backends

---
 device.py | 13 +++++--------
 user.py   |  4 +---
 2 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/device.py b/device.py
index 4a3625e..5a7d884 100644
--- a/device.py
+++ b/device.py
@@ -4,7 +4,6 @@
 from trytond import backend
 from trytond.model import ModelSQL, ModelView, fields
 from trytond.pyson import Eval
-from trytond.transaction import Transaction
 
 
 __all__ = ['SaleDevice', 'SaleDeviceStatementJournal']
@@ -32,11 +31,10 @@ class SaleDevice(ModelSQL, ModelView):
     @classmethod
     def __register__(cls, module_name):
         TableHandler = backend.get('TableHandler')
-        cursor = Transaction().cursor
 
         old_table = 'sale_pos_device'
-        if TableHandler.table_exist(cursor, old_table):
-            TableHandler.table_rename(cursor, old_table, cls._table)
+        if TableHandler.table_exist(old_table):
+            TableHandler.table_rename(old_table, cls._table)
 
         super(SaleDevice, cls).__register__(module_name)
 
@@ -64,12 +62,11 @@ class SaleDeviceStatementJournal(ModelSQL):
     @classmethod
     def __register__(cls, module_name):
         TableHandler = backend.get('TableHandler')
-        cursor = Transaction().cursor
-        table = TableHandler(cursor, cls, module_name)
+        table = TableHandler(cls, module_name)
 
         old_table = 'sale_pos_device_account_statement_journal'
-        if TableHandler.table_exist(cursor, old_table):
-            TableHandler.table_rename(cursor, old_table, cls._table)
+        if TableHandler.table_exist(old_table):
+            TableHandler.table_rename(old_table, cls._table)
 
         old_column = 'pos_device'
         new_column = 'device'
diff --git a/user.py b/user.py
index 04fb18b..cd068cc 100644
--- a/user.py
+++ b/user.py
@@ -5,7 +5,6 @@ from trytond import backend
 from trytond.model import fields
 from trytond.pool import PoolMeta
 from trytond.pyson import Eval
-from trytond.transaction import Transaction
 
 
 __all__ = ['User']
@@ -30,8 +29,7 @@ class User:
     @classmethod
     def __register__(cls, module_name):
         TableHandler = backend.get('TableHandler')
-        cursor = Transaction().cursor
-        table = TableHandler(cursor, cls, module_name)
+        table = TableHandler(cls, module_name)
 
         # Migrate from sale_pos 3.0
         old_column = 'pos_device'