Fixed issue where task resources were not freed in case of error during the task

src/web_utils/task.py

@@ -143,9 +143,11 @@ class Task:
 		self.__thread.start()
 		
 	def __run(self):
+		try:
 			self.run()
 			print('Task ' + self.task_id + ' has finished')
 			self.__finished_at = datetime.now()
+		finally:
 			Task.__free_resources(self)
 			Task.__update_pending_tasks()