Fix python2 compatibility with UTF-8 encoding

altitude/apps.py

@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 from django.apps import AppConfig
 
 

altitude/providers.py

@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 from __future__ import unicode_literals, division, print_function
 
 import requests

altitude/urls.py

@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 from django.conf.urls import url
 from django.views.decorators.cache import cache_page
 

altitude/views.py

@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 from django.http import HttpResponse, HttpResponseServerError
 from django.conf import settings