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/bp/pages/accounthistory.py

@@ -47,6 +47,7 @@ class Transaction(FrenchTransaction):
                 (re.compile('^(?P<category>REMISE DE CHEQUE) (?P<text>.*)'), FrenchTransaction.TYPE_DEPOSIT),
                ]
 
+
 class AccountHistory(BasePage):
     def get_next_link(self):
         for a in self.document.xpath('//a[@class="btn_crt"]'):
@@ -105,6 +106,7 @@ class AccountHistory(BasePage):
             operations.append(op)
         return operations
 
+
 class CardsList(BasePage):
     def get_cards(self):
         cards = []