PEP8/PyLint on test_types.py

EditorialModel/test/test_types.py

 from EditorialModel.classtypes import EmNature
 from EditorialModel.backend.json_backend import EmBackendJson
 
+
 class TypeTestCase(unittest.TestCase):
 
     def setUp(self):
         self.couleur_group = self.model.component(20)
         self.couleur_field = self.model.component(21)
 
+
 class TestSelectField(TypeTestCase):
 
     def test_select_field(self):