Removed old Python 2 syntax

stages/tests.py

@@ -1,5 +1,3 @@
-# -*- encoding: utf-8 -*-
-from __future__ import unicode_literals
 from datetime import date
 
 from django.contrib.auth.models import User
@@ -12,6 +10,7 @@ from .models import (
 )
 from .utils import school_year
 
+
 class StagesTest(TestCase):
     @classmethod
     def setUpClass(cls):