Typo in class name

TES/tes/apiendpoints.py

@@ -409,7 +409,7 @@ class AppInstance(Resource):
         try:
             data = json.loads(res['stdout'].decode())
             return data
-        except json.decoder.JSONDecoderError as e:
+        except json.decoder.JSONDecodeError as e:
             logger.error(res['stderr']+res['stdout'])
             message="I'm having trouble using ssh to find out about that application"
             flask_restful.abort(400, message=message)