TypeError: 'NoneType' object is not iterable

[lol1qazxsw2]

前面跑的好好的 后面不知道为啥就这样了 好像还是参数类型问题 这是什么原因呢？
`2024-08-17 01:55:31.365 | INFO | lib.Tools:init:56 - http://hts.mmis.georgia.gov:443 - Dirsearch - over
<lib.urlParser.Parse object at 0x7f53d8b63f40>
2024-08-17 01:55:31.588 | INFO | lib.Tools:init:49 - www.oig.georgia.gov - Bugscanner - start scanning
2024-08-17 01:55:32.241 | INFO | lib.Tools:init:56 - www.oig.georgia.gov - Bugscanner - over
2024-08-17 01:55:32.242 | INFO | lib.Tools:init:49 - www.oig.georgia.gov - Nslookup - start scanning
/bin/sh: 1: Cannot fork
/bin/sh: 1: Cannot fork
/bin/sh: 1: Cannot fork
2024-08-17 01:55:32.259 | INFO | lib.Tools:init:56 - www.oig.georgia.gov - Nslookup - over
2024-08-17 01:55:32.260 | INFO | lib.Tools:init:49 - 23.23.200.90 - Masscan - start scanning
/bin/sh: 1: Cannot fork
/bin/sh: 0: Cannot fork

2024-08-17 01:55:32.270 | INFO | lib.Tools:init:56 - 23.23.200.90 - Masscan - over
2024-08-17 01:55:32.271 | INFO | lib.Tools:init:49 - /tmp/tmptzv848yx - Nmap - start scanning
/bin/sh: 1: Cannot fork
/bin/sh: 0: Cannot fork

2024-08-17 01:55:32.280 | INFO | lib.Tools:init:56 - /tmp/tmptzv848yx - Nmap - over
Traceback (most recent call last):
File "main.py", line 28, in
AutoScanner()
File "main.py", line 24, in init
controller.assign_task()
File "/root/lib/controller.py", line 56, in assign_task
http_urls = self.ports_scan(target)
File "/root/lib/controller.py", line 100, in ports_scan
urls = ['{0}:{1}'.format(target.data['http_url'], port) for port in nmap.data if port]
TypeError: 'NoneType' object is not iterable
`