pep8 blank lines fixes

flake8 --select W391,E302,E301,E304

autopep8 can't fix W391 even though it claims it can.
Fixed using a simple custom script.

modules/cic/pages.py

@@ -47,10 +47,12 @@ class ChangePasswordPage(Page):
     def on_loaded(self):
         raise BrowserIncorrectPassword('Please change your password')
 
+
 class VerifCodePage(Page):
     def on_loaded(self):
         raise BrowserIncorrectPassword('Unable to login: website asks a code from a card')
 
+
 class InfoPage(Page):
     pass
 
@@ -303,6 +305,7 @@ class CardPage(OperationsPage):
                 tr.set_amount(tds[-1].text)
                 yield tr
 
+
 class NoOperationsPage(OperationsPage):
     def get_history(self):
         return iter([])