Fix flake8

trytond/__init__.py

@@ -1,3 +1,5 @@
 #This file is part of Tryton.  The COPYRIGHT file at the top level of
 #this repository contains the full copyright notices and license terms.
 from . import server
+
+__all__ = ['server']

trytond/backend/mysql/database.py

@@ -13,6 +13,9 @@ import tempfile
 from sql import Flavor, Expression
 from sql.functions import Extract, Overlay, CharLength
 
+__all__ = ['Database', 'DatabaseIntegrityError', 'DatabaseOperationalError',
+    'Cursor']
+
 
 class MySQLExtract(Extract):
 

trytond/ir/translation.py

@@ -14,7 +14,6 @@ try:
     from hashlib import md5
 except ImportError:
     from md5 import md5
-from functools import reduce
 from lxml import etree
 from itertools import izip
 from sql import Column
@@ -90,9 +89,9 @@ class Translation(ModelSQL, ModelView):
                 'Translation must be unique'),
         ]
         cls._error_messages.update({
-                'translation_overridden': \
+                'translation_overridden': (
                     "You can not export translation %(name)s because it is an "
-                    "overridden translation by module %(overriding_module)s",
+                    "overridden translation by module %(overriding_module)s"),
                 })
 
     @classmethod

trytond/model/modelstorage.py

@@ -743,9 +743,9 @@ class ModelStorage(Model):
         ModelData = pool.get('ir.model.data')
 
         # logger for collecting warnings for the client
-        warnings = logging.Logger("import")
+        logger = logging.Logger("import")
         warning_stream = StringIO.StringIO()
-        warnings.addHandler(logging.StreamHandler(warning_stream))
+        logger.addHandler(logging.StreamHandler(warning_stream))
 
         len_fields_names = len(fields_names)
         assert all(len(x) == len_fields_names for x in data)
@@ -893,7 +893,8 @@ class ModelStorage(Model):
             else:
                 return all(method(r) for r in records)
         for field in cls._constraints:
-            warnings.warn('_constraints is deprecated, override validate instead',
+            warnings.warn(
+                '_constraints is deprecated, override validate instead',
                 DeprecationWarning, stacklevel=2)
             if not call(field[0]):
                 cls.raise_user_error(field[1])
@@ -1135,7 +1136,6 @@ class ModelStorage(Model):
 
         cls.validate(records)
 
-
     @classmethod
     def _clean_defaults(cls, defaults):
         pool = Pool()