small bug fix

src/monitor_utils/runner.py

@@ -260,6 +260,10 @@ async def execute_monitor_logic(
                     LOGGER.exception("Unexpected error")
                     raise
 
+            if concurrent_pre_task_func:
+                tasks.append(concurrent_pre_task_func(session=session, **kwargs))
+                category_keys.append("pre_task")
+
             results = await asyncio.gather(*tasks, return_exceptions=True)
             for category_identifier, result in zip(category_keys, results):
                 if isinstance(result, EXPECTED_TASK_ERRORS):