diff --git a/cleanupagents/Cli.py b/cleanupagents/Cli.py
index c0ed534..facee45 100644
--- a/cleanupagents/Cli.py
+++ b/cleanupagents/Cli.py
@@ -5,7 +5,7 @@ import argparse
 import json
 import logging
 import os
-import pickle #nosec
+import pickle  # nosec
 import shutil
 import sys
 from collections import defaultdict
@@ -50,7 +50,7 @@ class AgentCleanup:
         config["drone_server"] = os.environ.get("DRONE_SERVER")
         config["drone_token"] = os.environ.get("DRONE_TOKEN")
         config["log_level"] = os.environ.get("DRONE_LOGLEVEL", "WARNING")
-        config["statefile"] = "/tmp/droneclean.pkl" #nosec
+        config["statefile"] = "/tmp/droneclean.pkl"  # nosec
         config["pending"] = defaultdict(dict, {})
 
         if os.path.isfile(binary):
@@ -72,7 +72,7 @@ class AgentCleanup:
 
         if os.path.isfile(config["statefile"]):
             with open(config["statefile"], "rb") as json_file:
-                config["pending"] = pickle.load(json_file) #nosec
+                config["pending"] = pickle.load(json_file)  # nosec
 
         return config
 
@@ -110,16 +110,14 @@ class AgentCleanup:
 
                 self.logger.info("Stopping '{agent}' ({triage}/3) {force}".format(
                     agent=e, triage=control[e] or 3, force=force_msg))
-                #res = run_command(
-                #    "drone -s {server} -t {token} --autoscaler {scaler} server destroy {force} {agent}".format(
-                #    server=self.config["drone_server"], token=self.config["drone_token"], scaler=scaler, agent=e, force=force
-                #))
+                res = run_command("drone -s {server} -t {token} --autoscaler {scaler} server destroy {force} {agent}".format(
+                    server=self.config["drone_server"], token=self.config["drone_token"], scaler=scaler, agent=e, force=force))
 
-                #if res.returncode > 0:
-                #    self.log.sysexit_with_message("Command error:\n{}".format(humanize(res.stdout)))
+                if res.returncode > 0:
+                    self.log.sysexit_with_message("Command error:\n{}".format(humanize(res.stdout)))
 
         with open(self.config["statefile"], "wb") as json_file:
-            pickle.dump(control, json_file) #nosec
+            pickle.dump(control, json_file)  # nosec
 
     def run(self):
         try:
@@ -134,4 +132,4 @@ class AgentCleanup:
         if not self.config["drone_bin"]:
             self.log.sysexit_with_message("Drone binary not found in PATH or not defined by '{}'".format(c.upper()))
 
-        self._clean() 
+        self._clean()
diff --git a/cleanupagents/Utils.py b/cleanupagents/Utils.py
index 5057f79..ef4dbca 100644
--- a/cleanupagents/Utils.py
+++ b/cleanupagents/Utils.py
@@ -3,7 +3,7 @@
 
 import os
 import shlex
-import subprocess #nosec
+import subprocess  # nosec
 import sys
 from distutils.util import strtobool
 
@@ -19,7 +19,7 @@ def to_bool(string):
 
 def run_command(command):
     cmd = [x.strip() for x in shlex.split(command)]
-    p = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) #nosec
+    p = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)  # nosec
     return p