pyflakes fixed

module.py

@@ -1,7 +1,7 @@
 #This file is part ir_module_info module for Tryton.
 #The COPYRIGHT file at the top level of this repository contains
 #the full copyright notices and license terms.
-from trytond.model import ModelView, ModelSQL, fields
+from trytond.model import fields
 from trytond.pool import Pool, PoolMeta
 from trytond.modules import get_module_info
 import os

setup.py

@@ -5,7 +5,6 @@
 
 from setuptools import setup
 import re
-import os
 import ConfigParser
 
 config = ConfigParser.ConfigParser()

tests/test_ir_module_description.py

@@ -12,9 +12,7 @@ if os.path.isdir(DIR):
 
 import unittest
 import trytond.tests.test_tryton
-from trytond.tests.test_tryton import POOL, DB_NAME, USER, CONTEXT, test_view,\
-    test_depends
-from trytond.transaction import Transaction
+from trytond.tests.test_tryton import test_view, test_depends
 
 
 class ModuleDescriptionTestCase(unittest.TestCase):