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/imdb/pages.py

@@ -29,6 +29,7 @@ import re
 class ReleasePage(Page):
     ''' Page containing releases of a movie
     '''
+
     def get_movie_releases(self, country_filter):
         result = unicode()
         links = self.parser.select(self.document.getroot(), 'table#release_dates a')
@@ -57,6 +58,7 @@ class ReleasePage(Page):
 class BiographyPage(Page):
     ''' Page containing biography of a person
     '''
+
     def get_biography(self):
         bio = unicode()
         start = False
@@ -74,6 +76,7 @@ class BiographyPage(Page):
 class MovieCrewPage(Page):
     ''' Page listing all the persons related to a movie
     '''
+
     def iter_persons(self, role_filter=None):
         if (role_filter is None or (role_filter is not None and role_filter == 'actor')):
             tables = self.parser.select(self.document.getroot(), 'table.cast_list')
@@ -130,6 +133,7 @@ class PersonPage(Page):
     ''' Page informing about a person
     It is used to build a Person instance and to get the movie list related to a person
     '''
+
     def get_person(self, id):
         name = NotAvailable
         short_biography = NotAvailable