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

src/web_utils/task.py

@@ -143,11 +143,13 @@ class Task:
 		self.__thread.start()
 		
 	def __run(self):
-		self.run()
-		print('Task ' + self.task_id + ' has finished')
-		self.__finished_at = datetime.now()
-		Task.__free_resources(self)
-		Task.__update_pending_tasks()
+		try:
+			self.run()
+			print('Task ' + self.task_id + ' has finished')
+			self.__finished_at = datetime.now()
+		finally:
+			Task.__free_resources(self)
+			Task.__update_pending_tasks()
 	
 	@staticmethod
 	def get(task_id):