diff --git a/osm_ee/base_ee.py b/osm_ee/base_ee.py
index 6728c49..c7b1bed 100644
--- a/osm_ee/base_ee.py
+++ b/osm_ee/base_ee.py
@@ -36,15 +36,16 @@
     HEALTH_CHECK_ACTION = "health-check"
 
     def __init__(self):
-        self.logger = logging.getLogger('osm_ee.base')
+        self.logger = logging.getLogger("osm_ee.base")
 
+        self.config_params = {}
         # Check if configuration is stored and load it
         if os.path.exists(self.CONFIG_FILE):
-            with open(self.CONFIG_FILE, 'r') as file:
+            with open(self.CONFIG_FILE, "r") as file:
                 self.config_params = yaml.load(file, Loader=yaml.FullLoader)
-                self.logger.debug("Load existing config from file: {}".format(self.config_params))
-        else:
-            self.config_params = {}
+                self.logger.debug(
+                    "Load existing config from file: {}".format(self.config_params)
+                )
 
         self.vnf_ee = VnfEE(self.config_params)
 
@@ -56,7 +57,9 @@
         return ssh_key
 
     async def run_action(self, id, name, params):
-        self.logger.debug("Execute action id: {}, name: {}, params: {}".format(id, name, params))
+        self.logger.debug(
+            "Execute action id: {}, name: {}, params: {}".format(id, name, params)
+        )
 
         try:
             # Health-check
@@ -71,10 +74,13 @@
                 action_params = yaml.safe_load(params)
 
                 if name == "config":
-                    self.logger.debug("Store config info in file: {}".format(self.CONFIG_FILE))
+                    self.logger.debug(
+                        "Store config info in file: {}".format(self.CONFIG_FILE)
+                    )
                     self.config_params.update(action_params)
-                    with open(self.CONFIG_FILE, 'w') as file:
+                    with open(self.CONFIG_FILE, "w") as file:
                         config = yaml.dump(self.config_params, file)
+                        self.logger.debug("Config info: {}".format(config))
 
                 async for return_status, detailed_message in method(id, action_params):
                     if return_status not in self.RETURN_STATUS_LIST:
@@ -82,15 +88,20 @@
                     else:
                         yield return_status, str(detailed_message)
         except AttributeError as e:
-            error_msg = "Action name: {} not implemented".format(name)
+            error_msg = "Action name: {} not implemented. Exception: {}".format(
+                name, str(e)
+            )
             self.logger.error(error_msg)
             yield "ERROR", error_msg
         except Exception as e:
-            self.logger.error("Error executing action id, name: {},{}: {}".format(id, name, str(e)), exc_info=True)
+            self.logger.error(
+                "Error executing action id, name: {},{}: {}".format(id, name, str(e)),
+                exc_info=True,
+            )
             yield "ERROR", str(e)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     logging.basicConfig(level=logging.DEBUG)
 
     loop = asyncio.get_event_loop()