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/carrefourbanque/pages.py

@@ -39,9 +39,11 @@ class LoginPage(BasePage):
         except FormNotFoundError:
             raise BrowserIncorrectPassword()
 
+
 class HomePage(BasePage):
     pass
 
+
 class AccountsPage(BasePage):
     def get_list(self):
         div = self.document.xpath('//div[@id="descriptifdroite"]')[0]
@@ -73,6 +75,7 @@ class AccountsPage(BasePage):
 
         yield account
 
+
 class TransactionsPage(BasePage):
     COL_DATE = 0
     COL_TEXT = 1

modules/carrefourbanque/test.py

@@ -20,6 +20,7 @@
 
 from weboob.tools.test import BackendTest
 
+
 class CarrefourBanqueTest(BackendTest):
     BACKEND = 'carrefourbanque'