Flake8: fix E302 expected 2 blank lines, found 1

cubicweb_person/entities.py

@@ -8,6 +8,7 @@ __docformat__ = "restructuredtext en"
 
 from cubicweb.entities import AnyEntity, fetch_config
 
+
 class Person(AnyEntity):
     """customized class for Person entities"""
     __regid__ = 'Person'

cubicweb_person/hooks.py

 from cubicweb.predicates import is_instance
 from cubicweb.sobjects.notification import ContentAddedView
 
+
 class PersonAddedView(ContentAddedView):
     """get notified from new persons"""
     __select__ = is_instance('Person')

test/test_person.py

 import unittest
 from cubicweb.devtools.testlib import AutomaticWebTest
 
+
 class AutomaticWebTest(AutomaticWebTest):
 
     def to_test_etypes(self):

test/unittest_person.py

 import unittest
 from cubicweb.devtools.testlib import CubicWebTC
 
+
 class PersonTC(CubicWebTC):
     def setup_database(self):
         with self.admin_access.repo_cnx() as cnx: