Easy spacing fixes, trailing stuff

Remove useless trailing \
Remove trailing spaces
Add missing empty lines

autopep8 -ir -j2 --select=E301,E302,E502,W291,W293,W391 .

Diff quickly checked.

modules/boursorama/pages/login.py

@@ -75,6 +75,7 @@ class VirtKeyboard(MappedVirtKeyboard):
                     s += " "
         return hashlib.md5(s).hexdigest()
 
+
 class LoginPage(BasePage):
     def on_loaded(self):
         pass
@@ -98,6 +99,7 @@ class LoginPage(BasePage):
 
         self.browser.location(form.attrib['action'], urllib.urlencode(args), no_login=True)
 
+
 class UpdateInfoPage(BasePage):
     def on_loaded(self):
         raise BrowserIncorrectPassword('Please update your user informations')