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/caissedepargne/pages.py

@@ -54,6 +54,7 @@ class LoginPage(BasePage):
         self.browser.form.action = m.group(1)
         self.browser.submit(nologin=True)
 
+
 class ErrorPage(BasePage):
     def get_error(self):
         try:
@@ -61,6 +62,7 @@ class ErrorPage(BasePage):
         except BrokenPageError:
             return None
 
+
 class UnavailablePage(BasePage):
     def on_loaded(self):
         try:
@@ -68,6 +70,7 @@ class UnavailablePage(BasePage):
         except BrokenPageError:
             raise BrowserUnavailable()
 
+
 class Transaction(FrenchTransaction):
     PATTERNS = [(re.compile('^CB (?P<text>.*?) FACT (?P<dd>\d{2})(?P<mm>\d{2})(?P<yy>\d{2})'),
                                                             FrenchTransaction.TYPE_CARD),
@@ -87,6 +90,7 @@ class Transaction(FrenchTransaction):
                 (re.compile('^CB [\d\*]+ (?P<text>.*)'),    FrenchTransaction.TYPE_CARD),
                ]
 
+
 class IndexPage(BasePage):
     ACCOUNT_TYPES = {u'Epargne liquide':            Account.TYPE_SAVINGS,
                      u'Compte Courant':             Account.TYPE_CHECKING,