Merge branch 'dev' into 'master'

Dev

See merge request !54

finance/views.py

@@ -166,6 +166,7 @@ class YandexSuccessView(APIView):
     @staticmethod
     def get(request):
         logger.error('YandexSuccessView: {}'.format(request))
+        return Response(status=204)
 
 
 class YandexFailView(APIView):
@@ -174,3 +175,4 @@ class YandexFailView(APIView):
     @staticmethod
     def get(request):
         logger.error('YandexFailView: {}'.format(request))
+        return Response(status=204)

progress/views.py

@@ -274,7 +274,7 @@ class SetProgress(APIView):
                 return Response('email не передан', status=400)
 
             try:
-                student = get_user_model().objects.get(email=email)
+                student = get_user_model().objects.get(email=email.lower())
             except get_user_model().DoesNotExist:
                 return Response("User doesn't exist", status=404)