Convert to use CircleCI and run tests against Django 2.1/Python 3.7

tests/test_field.py

@@ -33,7 +33,6 @@ class LocalizedFieldTestCase(TestCase):
         field = LocalizedField(required=False)
         assert field.required == []
 
-
     @staticmethod
     def test_from_db_value():
         """Tests whether the :see:from_db_value function

tests/test_form.py

@@ -40,7 +40,6 @@ class LocalizedFieldFormTestCase(TestCase):
         for field in form.fields:
             assert not field.required
 
-
     @staticmethod
     def test_compress():
         """Tests whether the :see:compress function

tests/test_integer_field.py

@@ -4,7 +4,6 @@ from django.conf import settings
 from django.db import connection
 from django.utils import translation
 
-from localized_fields.value import LocalizedIntegerValue
 from localized_fields.fields import LocalizedIntegerField
 
 from .fake_model import get_fake_model
@@ -149,7 +148,7 @@ class LocalizedIntegerFieldTestCase(TestCase):
 
         with connection.cursor() as cursor:
             table_name = self.TestModel._meta.db_table
-            cursor.execute("update %s set score = 'en=>haha'" % table_name);
+            cursor.execute("update %s set score = 'en=>haha'" % table_name)
 
         obj.refresh_from_db()
         assert obj.score.get(settings.LANGUAGE_CODE) is None

tests/test_query_set.py

@@ -1,6 +1,4 @@
-from django.conf import settings
 from django.test import TestCase
-from django.utils import translation
 
 from localized_fields.fields import LocalizedField
 

tests/test_value.py

@@ -152,7 +152,7 @@ class LocalizedValueTestCase(TestCase):
 
         # with no value, we always expect it to return None
         localized_value = LocalizedValue()
-        assert localized_value.translate() == None
+        assert localized_value.translate() is None
         assert str(localized_value) == ''
 
         # with no value for the default language, the default
@@ -164,7 +164,7 @@ class LocalizedValueTestCase(TestCase):
         })
 
         translation.activate(settings.LANGUAGE_CODE)
-        assert localized_value.translate() == None
+        assert localized_value.translate() is None
         assert str(localized_value) == ''
 
     @staticmethod