diff --git a/utils/queues.py b/utils/queues.py
index a69857d..035b884 100644
--- a/utils/queues.py
+++ b/utils/queues.py
@@ -13,14 +13,15 @@ else:
     QUEUES_URL = 'http://queues:1239'
 
 
-executor = ThreadPoolExecutor(max_workers=4)
-
-
 class QueuesException(Exception):
     ...
 
 
 class TasksHandlerMixin:
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.executor = ThreadPoolExecutor(max_workers=4)
+
     def _send_metric(self, start: datetime.datetime, end: datetime.datetime, success: bool):
         try:
             resp = requests.post('http://monitoring:1237/api/v1/metrics/task', json={
@@ -39,10 +40,6 @@ class TasksHandlerMixin:
         except Exception as e:
             print(f"Error sending metric: {e}")
 
-    def send_metric(self, start: datetime.datetime, end: datetime.datetime, success: bool):
-        executor.submit(self._send_metric, start, end, success)
-        # self._send_metric(start, end, success)
-
     def poll(self):
         while True:
             try:
@@ -70,7 +67,7 @@ class TasksHandlerMixin:
                         raise QueuesException
                 except:
                     print(f'Failed to finish task id={task["id"]}')
-            self.send_metric(start, end, success)
+            self.executor.submit(self._send_metric, start, end, success)
 
     @property
     def queue_name(self):