Migrate to python 3

product.py

@@ -42,8 +42,7 @@ class ProductPriceByPriceList(Wizard):
         return action, {}
 
 
-class Product:
-    __metaclass__ = PoolMeta
+class Product(metaclass=PoolMeta):
     __name__ = 'product.product'
     price_x1 = fields.Function(fields.Numeric('Price x1'),
         'price_by1')

setup.py

@@ -7,10 +7,7 @@ from setuptools import setup
 import re
 import os
 import io
-try:
-    from configparser import ConfigParser
-except ImportError:
-    from ConfigParser import ConfigParser
+from configparser import ConfigParser
 
 MODULE = 'product_price_by_list_price'
 PREFIX = 'trytonzz'