"Not reachable for unknown reasons" but scan still completes

[malexmave]

When scanning pfgc.com we receive:

$ privacyscanner scan -m chromedevtools http://pfgc.com
chromedevtools> 2020-03-10 11:18:01,168: [INFO] Starting chromedevtools (scanner.py:179)
chromedevtools> 2020-03-10 11:18:33,003: [INFO] Scan module `chromedevtools` will be retried (scanner.py:188)
chromedevtools> 2020-03-10 11:18:33,013: [INFO] Finished chromedevtools (scanner.py:203)
chromedevtools> 2020-03-10 11:18:33,015: [INFO] Starting chromedevtools (scanner.py:179)
chromedevtools> 2020-03-10 11:18:58,292: [ERROR] Neither responses, nor failed requests. (chromescan.py:270)
Traceback (most recent call last):
  File "/[redacted]/privacyscanner/privacyscanner/scanmodules/chromedevtools/chromescan.py", line 254, in scan
    content = scanner.scan(browser, result, logger, options)
  File "/[redacted]/privacyscanner/privacyscanner/scanmodules/chromedevtools/chromescan.py", line 399, in scan
    raise NotReachableError('Not reachable for unknown reasons.')
privacyscanner.scanmodules.chromedevtools.chromescan.NotReachableError: Not reachable for unknown reasons.
chromedevtools> 2020-03-10 11:19:04,356: [INFO] Finished chromedevtools (scanner.py:203)

However, the system still returns a result. Again, I am not sure if it is trustworthy after this error occured. Dependencies as in #27.