diff --git a/djing/lib/decorators.py b/djing/lib/decorators.py
index cbdf61f..d903cd8 100644
--- a/djing/lib/decorators.py
+++ b/djing/lib/decorators.py
@@ -99,7 +99,9 @@ def json_view(fn):
     @wraps(fn)
     def wrapped(request, *args, **kwargs):
         r = fn(request, *args, **kwargs)
-        return JsonResponse(r, safe=False, json_dumps_params={
+        if not isinstance(r['text'], str):
+            r['text'] = str(r['text'])
+        return JsonResponse(dict(r), safe=False, json_dumps_params={
             'ensure_ascii': False
         })
     return wrapped
diff --git a/gw_app/nas_managers/core.py b/gw_app/nas_managers/core.py
index d50e9d2..9eb08f2 100644
--- a/gw_app/nas_managers/core.py
+++ b/gw_app/nas_managers/core.py
@@ -1,4 +1,4 @@
-from abc import ABC, abstractmethod, abstractproperty
+from abc import ABC, abstractmethod
 from typing import Iterator, Tuple, Optional
 from djing import ping
 from gw_app.nas_managers.structs import SubnetQueue, VectorQueue
@@ -16,7 +16,8 @@ class NasNetworkError(Exception):
 
 # Communicate with gw
 class BaseTransmitter(ABC):
-    @abstractproperty
+    @property
+    @abstractmethod
     def description(self):
         """
         :return: Returnd a description of nas implementation