diff --git a/opt/ahenk/base/execution/ExecutionManager.py b/opt/ahenk/base/execution/ExecutionManager.py
index b1011de..13438ae 100644
--- a/opt/ahenk/base/execution/ExecutionManager.py
+++ b/opt/ahenk/base/execution/ExecutionManager.py
@@ -201,6 +201,7 @@ class ExecutionManager(object):
 
         return policy
 
+    #from db
     def get_installed_plugins(self):
         plugins = self.db_service.select('plugin', ['name', 'version'])
         p_list = []
diff --git a/opt/ahenk/base/messaging/Messaging.py b/opt/ahenk/base/messaging/Messaging.py
index 8b73feb..90c46de 100644
--- a/opt/ahenk/base/messaging/Messaging.py
+++ b/opt/ahenk/base/messaging/Messaging.py
@@ -28,23 +28,6 @@ class Messaging(object):
         self.logger.debug('[Messaging]Missing plugin message was created')
         return str(json_data)
 
-    """
-    def response_msg(self, response):
-        print("response message")
-        data = {}
-        data['type'] = response.get_type()
-        data['taskId'] = response.get_id()
-        data['responseCode'] = response.get_code()
-        data['responseMessage'] = response.get_message()
-        data['responseData'] = response.get_data()
-        data['contentType'] = response.get_content_type()
-        data['timestamp'] = response.get_timestamp()
-
-        json_data = json.dumps(data)
-        self.logger.debug('[Messaging] Response message was created')
-        return str(json_data)
-    """
-
     def task_status_msg(self, response):
         data = {}
         data['type'] = response.get_type()
diff --git a/opt/ahenk/base/util/util.py b/opt/ahenk/base/util/util.py
index f57bb9e..fec442c 100644
--- a/opt/ahenk/base/util/util.py
+++ b/opt/ahenk/base/util/util.py
@@ -2,12 +2,12 @@
 # -*- coding: utf-8 -*-
 # Author: Volkan Şahin <volkansah.in> <bm.volkansahin@gmail.com>
 
-import os
+import grp
 import json
+import os
+import pwd
 import shutil
 import stat
-import pwd
-import grp
 import subprocess
 
 
@@ -183,5 +183,3 @@ class Util:
             return grp.getgrgid(gid)[0]
         except:
             raise
-
-