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/pap/pages.py

@@ -88,6 +88,7 @@ class SearchResultsPage(BasePage):
 
             yield housing
 
+
 class HousingPage(BasePage):
     def get_housing(self):
         div = self.parser.select(self.document.getroot(), 'div#annonce_detail', 1)