small fixes

products/views.py

@@ -254,7 +254,7 @@ class CategoryTagAutocomplete(autocomplete.Select2QuerySetView):
 def purchase_email(request):
     """Notify coop manager and user about item purchase
     """
-    data = json.loads(request.body)
+    data = request.data
     # check data
     if request.user.is_anonymous and 'email' not in data:
         return Response({"error": "Anonymous users must include an email parameter value"}, status=status.HTTP_406_NOT_ACCEPTABLE)