Fix pep8 and pyflakes

proteus/__init__.py

@@ -14,11 +14,11 @@ try:
 except ImportError:
     import decimal
     sys.modules['cdecimal'] = decimal
-from types import NoneType
 import threading
 import datetime
 from decimal import Decimal
 from types import NoneType
+
 import proteus.config
 from proteus.pyson import PYSONDecoder
 
@@ -106,7 +106,8 @@ class BinaryDescriptor(FieldDescriptor):
     default = None
 
     def __set__(self, instance, value):
-        assert isinstance(value, (basestring, buffer)) or value in (None, False)
+        assert (isinstance(value, (basestring, buffer))
+            or value in (None, False))
         super(BinaryDescriptor, self).__set__(instance, value or '')
 
 

proteus/config.py

@@ -18,12 +18,14 @@ def dump_decimal(self, value, write):
         }
     self.dump_struct(value, write)
 
+
 def dump_buffer(self, value, write):
     self.write = write
     value = xmlrpclib.Binary(value)
     value.encode(self)
     del self.write
 
+
 def dump_date(self, value, write):
     value = {'__class__': 'date',
         'year': value.year,
@@ -46,13 +48,14 @@ xmlrpclib.Marshaller.dispatch[datetime.date] = dump_date
 xmlrpclib.Marshaller.dispatch[datetime.time] = dump_time
 xmlrpclib.Marshaller.dispatch[buffer] = dump_buffer
 
+
 def end_struct(self, data):
     mark = self._marks.pop()
     # map structs to Python dictionaries
     dct = {}
     items = self._stack[mark:]
     for i in range(0, len(items), 2):
-        dct[xmlrpclib._stringify(items[i])] = items[i+1]
+        dct[xmlrpclib._stringify(items[i])] = items[i + 1]
     if '__class__' in dct:
         if dct['__class__'] == 'date':
             dct = datetime.date(dct['year'], dct['month'], dct['day'])

proteus/pyson.py

@@ -24,7 +24,7 @@ class PYSON(object):
         raise NotImplementedError
 
     def __invert__(self):
-        if self.types()!= set([bool]):
+        if self.types() != set([bool]):
             return Not(Bool(self))
         else:
             return Not(self)
@@ -309,7 +309,8 @@ class If(PYSON):
     def __init__(self, condition, then_statement, else_statement=None):
         super(If, self).__init__()
         if isinstance(condition, PYSON):
-            assert condition.types() == set([bool]), 'condition must be boolean'
+            assert condition.types() == set([bool]), \
+                'condition must be boolean'
         else:
             assert isinstance(condition, bool), 'condition must be boolean'
         if isinstance(then_statement, PYSON):

setup.py

@@ -2,7 +2,6 @@
 #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 setuptools import setup, find_packages
-import sys
 import os
 import proteus
 
@@ -10,6 +9,7 @@ major_version, minor_version, _ = proteus.__version__.split('.', 2)
 major_version = int(major_version)
 minor_version = int(minor_version)
 
+
 def read(fname):
     return open(os.path.join(os.path.dirname(__file__), fname)).read()