Traceback (most recent call last): File "E:\dataset\serve_resume.py", line 75, in with socketserver.TCPServer((HOST, PORT), RangeHandler) as httpd: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\test\AppData\Local\Programs\Python\Python311\Lib\socketserver.py", line 456, in __init__ self.server_bind() File "C:\Users\test\AppData\Local\Programs\Python\Python311\Lib\socketserver.py", line 472, in server_bind self.socket.bind(self.server_address) OSError: [WinError 10048] Only one usage of each socket address (protocol/network address/port) is normally permitted