diff --git a/modules/arte/pages.py b/modules/arte/pages.py
index a0e305f1..699720b5 100644
--- a/modules/arte/pages.py
+++ b/modules/arte/pages.py
@@ -32,6 +32,7 @@ from .collection import ArteLiveCollection
 
 __all__ = ['IndexPage', 'VideoPage', 'ArteLivePage', 'ArteLiveCategorieVideoPage', 'ArteLiveVideoPage']
 
+
 class ArteLiveVideoPage(BasePage):
     def get_video(self, video=None, lang='fr', quality='hd'):
         if not video:
@@ -48,6 +49,7 @@ class ArteLiveVideoPage(BasePage):
             video.url = urls.popitem()[1]
         return video
 
+
 class ArteLiveCategorieVideoPage(BasePage):
     def iter_videos(self, lang='fr'):
         videos = list()
@@ -79,7 +81,7 @@ class ArteLiveCategorieVideoPage(BasePage):
         en = re.compile("<enclosure.*?/event/.*?/(.*?)-.*?/>", re.DOTALL)
         pix = re.compile("(?<=<enclosure url=\")(.*?)(?=\" type=\"image/)", re.DOTALL)
         try:
-            ele['link']  = lk.search(chain).group(0)
+            ele['link'] = lk.search(chain).group(0)
         except:
             return None
         try:
@@ -98,8 +100,8 @@ class ArteLiveCategorieVideoPage(BasePage):
             ele['date'] = "No date"
         try:
             s = (pt.search(chain).group(0))
-            s = HTMLParser.HTMLParser().unescape(s);
-            ele['pitch'] = HTMLParser.HTMLParser().unescape(s);
+            s = HTMLParser.HTMLParser().unescape(s)
+            ele['pitch'] = HTMLParser.HTMLParser().unescape(s)
         except:
             ele['pitch'] = "No description"
         try:
@@ -113,18 +115,20 @@ class ArteLiveCategorieVideoPage(BasePage):
             ele['pict'] = None
         return ele
 
+
 class ArteLivePage(BasePage):
     def iter_resources(self):
         items = list()
         for el in self.document.xpath('//ul[@id="categoryArray"]/li'):
             m = re.match(r'http://liveweb.arte.tv/*', el.find('a').attrib['href'])
             if m:
-                url = u'%s' %el.find('a').attrib['href']
+                url = u'%s' % el.find('a').attrib['href']
                 _id = url.split('/')[-2:-1][0]
-                item = ArteLiveCollection([u'live', u'%s'%_id], u'%s' %(el.find('a').text))
+                item = ArteLiveCollection([u'live', u'%s' % _id], u'%s' % (el.find('a').text))
                 items.append(item)
         return items
 
+
 class IndexPage(BasePage):
     def iter_videos(self):
         videos = self.document.getroot().cssselect("div[class=video]")
diff --git a/modules/banquepopulaire/pages.py b/modules/banquepopulaire/pages.py
index 92439f19..da72bae4 100644
--- a/modules/banquepopulaire/pages.py
+++ b/modules/banquepopulaire/pages.py
@@ -32,7 +32,7 @@ __all__ = ['LoginPage', 'IndexPage', 'AccountsPage', 'TransactionsPage', 'Unavai
 
 
 class WikipediaARC4(object):
-    def __init__(self, key = None):
+    def __init__(self, key=None):
         self.state = range(256)
         self.x = self.y = 0
 
@@ -54,6 +54,7 @@ class WikipediaARC4(object):
             output[i] = chr((ord(input[i]) ^ self.state[(self.state[self.x] + self.state[self.y]) & 0xFF]))
         return ''.join(output)
 
+
 class RedirectPage(BasePage):
     """
     var i = 'lyhrnu551jo42yfzx0jm0sqk';
@@ -129,6 +130,7 @@ class RedirectPage(BasePage):
         if redirect_url is not None:
             self.browser.location(self.browser.request_class(self.browser.absurl(redirect_url), None, {'Referer': self.url}))
 
+
 class UnavailablePage(BasePage):
     def on_loaded(self):
         try:
@@ -290,6 +292,7 @@ class TransactionsPage(BasePage):
     COL_VALUE_DATE = 4
     COL_DEBIT = -2
     COL_CREDIT = -1
+
     def get_history(self):
         for tr in self.document.xpath('//table[@id="tbl1"]/tbody/tr'):
             tds = tr.findall('td')
diff --git a/modules/boursorama/browser.py b/modules/boursorama/browser.py
index ad61bc30..1a5e2b05 100644
--- a/modules/boursorama/browser.py
+++ b/modules/boursorama/browser.py
@@ -48,8 +48,8 @@ class Boursorama(BaseBrowser):
              '.*/date_anniversaire.phtml.*':    UpdateInfoPage,
             }
 
-    def __init__(self, device="weboob", enable_twofactors=False
-                , *args, **kwargs):
+    def __init__(self, device="weboob", enable_twofactors=False,
+                 *args, **kwargs):
         self.device = device
         self.enable_twofactors = enable_twofactors
         BaseBrowser.__init__(self, *args, **kwargs)
@@ -69,9 +69,9 @@ class Boursorama(BaseBrowser):
                 self.page.authenticate(self.device)
             else:
                 raise BrowserIncorrectAuthenticationCode(
-                        """Boursorama - activate the two factor authentication in boursorama config."""\
-                        """ You will receive SMS code but are limited in request per day (around 15)"""
-                    )
+                    """Boursorama - activate the two factor authentication in boursorama config."""
+                    """ You will receive SMS code but are limited in request per day (around 15)"""
+                )
 
     def login_mobile(self):
         assert isinstance(self.username, basestring)
diff --git a/modules/boursorama/pages/two_authentication.py b/modules/boursorama/pages/two_authentication.py
index 7662d300..c44c12b4 100644
--- a/modules/boursorama/pages/two_authentication.py
+++ b/modules/boursorama/pages/two_authentication.py
@@ -125,6 +125,3 @@ class AuthenticationPage(BasePage):
     def print_cookies(self):
         for c in self.browser._ua_handlers["_cookies"].cookiejar:
             print "%s : %s" % (c.name, c.value)
-
-
-
diff --git a/modules/creditdunord/pages.py b/modules/creditdunord/pages.py
index 5a128b99..964c78de 100644
--- a/modules/creditdunord/pages.py
+++ b/modules/creditdunord/pages.py
@@ -94,7 +94,7 @@ class AccountsPage(CDNBasePage):
 
         for line in data:
             a = Account()
-            a.id = line[self.COL_ID].replace(' ','')
+            a.id = line[self.COL_ID].replace(' ', '')
             fp = StringIO(unicode(line[self.COL_LABEL]).encode(self.browser.ENCODING))
             a.label = self.parser.tocleanstring(self.parser.parse(fp, self.browser.ENCODING).xpath('//div[@class="libelleCompteTDB"]')[0])
             a.balance = Decimal(FrenchTransaction.clean_amount(line[self.COL_BALANCE]))
@@ -128,6 +128,7 @@ class ProAccountsPage(AccountsPage):
     COL_BALANCE = 1
 
     ARGS = ['Banque', 'Agence', 'classement', 'Serie', 'SSCompte', 'Devise', 'CodeDeviseCCB', 'LibelleCompte', 'IntituleCompte', 'Indiceclassement', 'IndiceCompte', 'NomClassement']
+
     def params_from_js(self, text):
         l = []
         for sub in re.findall("'([^']*)'", text):
@@ -141,7 +142,6 @@ class ProAccountsPage(AccountsPage):
 
         return url, args
 
-
     def get_list(self):
         for tr in self.document.xpath('//table[@class="datas"]//tr'):
             if tr.attrib.get('class', '') == 'entete':
@@ -255,6 +255,7 @@ class TransactionsPage(CDNBasePage):
 
             yield t
 
+
 class ProTransactionsPage(TransactionsPage):
     def get_next_args(self, args):
         txt = self.get_from_js('myPage.setPiedPage(oNavSuivantPrec_1(', ')')
diff --git a/modules/hellobank/perso/login.py b/modules/hellobank/perso/login.py
index 0bb8f235..c08924cf 100644
--- a/modules/hellobank/perso/login.py
+++ b/modules/hellobank/perso/login.py
@@ -23,54 +23,53 @@ import time
 import re
 
 from weboob.tools.browser import BasePage, BrowserUnavailable
-from weboob.tools.captcha.virtkeyboard import VirtKeyboard,VirtKeyboardError
+from weboob.tools.captcha.virtkeyboard import VirtKeyboard, VirtKeyboardError
 
 
 __all__ = ['LoginPage', 'ConfirmPage', 'InfoMessagePage']
 
 
 class HelloBankVirtKeyboard(VirtKeyboard):
-    symbols={'0':'4d1e060efb694ee60e4bd062d800401c',
-             '1':'509134b5c09980e282cdd5867815e9e3',
-             '2':'4cd09c9c44405e00b12e0371e2f972ae',
-             '3':'227d854efc5623292eda4ca2f9bfc4d7',
-             '4':'be8d23e7f5fce646193b7b520ff80443',
-             '5':'5fe450b35c946c3a983f1df6e5b41fd1',
-             '6':'113a6f63714f5094c7f0b25caaa66f78',
-             '7':'de0e93ba880a8a052aea79237f08f3f8',
-             '8':'3d70474c05c240b606556c89baca0568',
-             '9':'040954a5e5e93ec2fb03ac0cfe592ac2'
-            }
+    symbols = {'0': '4d1e060efb694ee60e4bd062d800401c',
+               '1': '509134b5c09980e282cdd5867815e9e3',
+               '2': '4cd09c9c44405e00b12e0371e2f972ae',
+               '3': '227d854efc5623292eda4ca2f9bfc4d7',
+               '4': 'be8d23e7f5fce646193b7b520ff80443',
+               '5': '5fe450b35c946c3a983f1df6e5b41fd1',
+               '6': '113a6f63714f5094c7f0b25caaa66f78',
+               '7': 'de0e93ba880a8a052aea79237f08f3f8',
+               '8': '3d70474c05c240b606556c89baca0568',
+               '9': '040954a5e5e93ec2fb03ac0cfe592ac2'
+               }
 
+    url = "/NSImgBDGrille?timestamp=%d"
 
-    url="/NSImgBDGrille?timestamp=%d"
+    color = 17
 
-    color=17
-
-    def __init__(self,basepage):
+    def __init__(self, basepage):
         coords = {}
-        coords["01"] = (31,28,49,49)
-        coords["02"] = (108,28,126,49)
-        coords["03"] = (185,28,203,49)
-        coords["04"] = (262,28,280,49)
-        coords["05"] = (339,28,357,49)
-        coords["06"] = (31,100,49,121)
-        coords["07"] = (108,100,126,121)
-        coords["08"] = (185,100,203,121)
-        coords["09"] = (262,100,280,121)
-        coords["10"] = (339,100,357,121)
+        coords["01"] = (31, 28, 49, 49)
+        coords["02"] = (108, 28, 126, 49)
+        coords["03"] = (185, 28, 203, 49)
+        coords["04"] = (262, 28, 280, 49)
+        coords["05"] = (339, 28, 357, 49)
+        coords["06"] = (31, 100, 49, 121)
+        coords["07"] = (108, 100, 126, 121)
+        coords["08"] = (185, 100, 203, 121)
+        coords["09"] = (262, 100, 280, 121)
+        coords["10"] = (339, 100, 357, 121)
 
-        VirtKeyboard.__init__(self,basepage.browser.openurl(self.url % time.time()),coords,self.color)
-        self.check_symbols(self.symbols,basepage.browser.responses_dirname)
+        VirtKeyboard.__init__(self, basepage.browser.openurl(self.url % time.time()), coords, self.color)
+        self.check_symbols(self.symbols, basepage.browser.responses_dirname)
 
-    def get_symbol_code(self,md5sum):
-        code=VirtKeyboard.get_symbol_code(self,md5sum)
+    def get_symbol_code(self, md5sum):
+        code = VirtKeyboard.get_symbol_code(self, md5sum)
         return code
 
-    def get_string_code(self,string):
-        code=''
+    def get_string_code(self, string):
+        code = ''
         for c in string:
-            code+=self.get_symbol_code(self.symbols[c])
+            code += self.get_symbol_code(self.symbols[c])
         return code
 
 
@@ -85,9 +84,9 @@ class LoginPage(BasePage):
 
     def login(self, login, password):
         try:
-            vk=HelloBankVirtKeyboard(self)
+            vk = HelloBankVirtKeyboard(self)
         except VirtKeyboardError as err:
-            self.logger.error("Error: %s"%err)
+            self.logger.error("Error: %s" % err)
             return False
 
         self.browser.select_form('logincanalnet')
@@ -114,4 +113,3 @@ class ConfirmPage(BasePage):
 class InfoMessagePage(BasePage):
     def on_loaded(self):
         pass
-
diff --git a/weboob/applications/boobank/boobank.py b/weboob/applications/boobank/boobank.py
index e86dbf53..d2396e40 100644
--- a/weboob/applications/boobank/boobank.py
+++ b/weboob/applications/boobank/boobank.py
@@ -88,7 +88,7 @@ class TransactionsFormatter(IFormatter):
         else:
             try:
                 _type = self.TYPES[obj.type]
-            except (IndexError,AttributeError):
+            except (IndexError, AttributeError):
                 _type = ''
 
         label = obj.label
@@ -115,6 +115,7 @@ class TransferFormatter(IFormatter):
             result += u'Reason:     %s\n' % obj.reason
         return result
 
+
 class InvestmentFormatter(IFormatter):
     MANDATORY_FIELDS = ('label', 'quantity', 'unitvalue')
 
@@ -134,7 +135,7 @@ class InvestmentFormatter(IFormatter):
         self.tot_diff += diff
         self.tot_valuation += obj.valuation
 
-        return u' %s %s %s %s %s   %s' %\
+        return u' %s %s %s %s %s   %s' % \
                 (self.colored('%-30s' % label[:30], 'red'),
                  self.colored('%-10s' % obj.code[:8], 'yellow') if not empty(obj.code) else ' ' * 10,
                  self.colored('%6d' % obj.quantity, 'yellow'),
@@ -145,7 +146,7 @@ class InvestmentFormatter(IFormatter):
 
     def flush(self):
         self.output('-------------------------------+--------+----------+-----------+-----------+--------')
-        self.output(u'                                        Total                    %s   %s' %\
+        self.output(u'                                        Total                    %s   %s' %
                      (self.colored('%8.2f' % self.tot_valuation, 'yellow'),
                       self.colored('%8.2f' % self.tot_diff, 'green' if self.tot_diff >=0 else 'red')
                     ))
diff --git a/weboob/applications/qcookboob/recipe.py b/weboob/applications/qcookboob/recipe.py
index abe14192..f0fa3a0c 100644
--- a/weboob/applications/qcookboob/recipe.py
+++ b/weboob/applications/qcookboob/recipe.py
@@ -17,7 +17,9 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
-import urllib, sys, codecs
+import urllib
+import sys
+import codecs
 
 from PyQt4.QtCore import Qt, SIGNAL
 from PyQt4.QtGui import QFrame, QImage, QPixmap, QFileDialog
@@ -85,11 +87,11 @@ class Recipe(QFrame):
         if not empty(self.recipe.picture_url):
             data = urllib.urlopen(self.recipe.picture_url).read()
             img = QImage.fromData(data)
-            self.ui.imageLabel.setPixmap(QPixmap.fromImage(img).scaledToWidth(250,Qt.SmoothTransformation))
+            self.ui.imageLabel.setPixmap(QPixmap.fromImage(img).scaledToWidth(250, Qt.SmoothTransformation))
 
     def export(self):
         fileDial = QFileDialog(self, 'Export "%s" recipe' %
-                               self.recipe.title, '%s.kreml' % self.recipe.title.replace('/',','), 'Krecipe file (*.kreml);;all files (*)')
+                               self.recipe.title, '%s.kreml' % self.recipe.title.replace('/', ','), 'Krecipe file (*.kreml);;all files (*)')
         fileDial.setAcceptMode(QFileDialog.AcceptSave)
         fileDial.setLabelText(QFileDialog.Accept, 'Export recipe')
         fileDial.setLabelText(QFileDialog.FileName, 'Recipe file name')
diff --git a/weboob/applications/qhandjoob/main_window.py b/weboob/applications/qhandjoob/main_window.py
index b3a73d17..0cd61191 100644
--- a/weboob/applications/qhandjoob/main_window.py
+++ b/weboob/applications/qhandjoob/main_window.py
@@ -26,18 +26,20 @@ from weboob.capabilities.job import ICapJob
 
 from .ui.main_window_ui import Ui_MainWindow
 
+
 class JobListWidgetItem(QListWidgetItem):
     def __init__(self, job, *args, **kwargs):
         QListWidgetItem.__init__(self, *args, **kwargs)
         self.job = job
 
     def __lt__(self, other):
-         return self.job.publication_date < other.job.publication_date
+        return self.job.publication_date < other.job.publication_date
 
     def setAttrs(self, storage):
-        text =  u'%s - %s' % (self.job.backend, self.job.title)
+        text = u'%s - %s' % (self.job.backend, self.job.title)
         self.setText(text)
 
+
 class MainWindow(QtMainWindow):
     def __init__(self, config, storage, weboob, parent=None):
         QtMainWindow.__init__(self, parent)
@@ -129,4 +131,3 @@ class MainWindow(QtMainWindow):
             self.ui.jobFrame.show()
         else:
             self.ui.jobFrame.hide()
-
diff --git a/weboob/applications/weboorrents/weboorrents.py b/weboob/applications/weboorrents/weboorrents.py
index 9d6767c5..c2c88eea 100644
--- a/weboob/applications/weboorrents/weboorrents.py
+++ b/weboob/applications/weboorrents/weboorrents.py
@@ -18,7 +18,6 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 
-
 import sys
 
 from weboob.capabilities.torrent import ICapTorrent, MagnetOnly
@@ -56,7 +55,7 @@ class TorrentInfoFormatter(IFormatter):
             for f in obj.files:
                 result += ' * %s\n' % f
         result += '\n%sDescription%s\n' % (self.BOLD, self.NC)
-        result += '%s'%obj.description
+        result += '%s' % obj.description
         return result
 
 
@@ -71,6 +70,7 @@ class TorrentListFormatter(PrettyFormatter):
                 (5, 'green', None),
                 (10, 'green', 'bold'),
                )
+
     def _get_color(self, nb):
         if empty(nb):
             return self.colored('N/A', 'red')
@@ -115,7 +115,7 @@ class Weboorrents(ReplApplication):
 
         Get information about a torrent.
         """
-        torrent = self.get_object(id, 'get_torrent', ('description','files'))
+        torrent = self.get_object(id, 'get_torrent', ('description', 'files'))
         if not torrent:
             print >>sys.stderr, 'Torrent not found: %s' % id
             return 3
diff --git a/weboob/capabilities/recipe.py b/weboob/capabilities/recipe.py
index 6e1ce1d5..ac1aeb8c 100644
--- a/weboob/capabilities/recipe.py
+++ b/weboob/capabilities/recipe.py
@@ -19,8 +19,12 @@
 
 
 from .base import IBaseCap, CapBaseObject, StringField, IntField, Field, empty
+
 import lxml.etree as ET
-import base64, re, urllib
+
+import base64
+import re
+import urllib
 
 
 __all__ = ['Recipe', 'ICapRecipe']
@@ -42,6 +46,7 @@ class Comment():
             result += 'comment: %s' % self.text
         return result
 
+
 class Recipe(CapBaseObject):
     """
     Recipe object.
@@ -108,7 +113,7 @@ class Recipe(CapBaseObject):
             datab64 = base64.encodestring(data)[:-1]
 
             pictures = ET.SubElement(desc, 'pictures')
-            pic = ET.SubElement(pictures, 'pic', {'format' : 'JPEG', 'id' : '1'})
+            pic = ET.SubElement(pictures, 'pic', {'format': 'JPEG', 'id': '1'})
             pic.text = ET.CDATA(datab64)
 
         if not empty(self.ingredients):
diff --git a/weboob/core/ouiboube.py b/weboob/core/ouiboube.py
index 05e11922..dcb9efc3 100644
--- a/weboob/core/ouiboube.py
+++ b/weboob/core/ouiboube.py
@@ -18,8 +18,6 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 
-
-
 import os
 import shutil
 
@@ -39,6 +37,7 @@ __all__ = ['Weboob']
 class VersionsMismatchError(ConfigError):
     pass
 
+
 class Weboob(object):
     """
     The main class of Weboob, used to manage backends and call methods.