nessus scan status err

[razvan01]

Traceback (most recent call last):
File "rta.py", line 416, in
main()
File "rta.py", line 410, in main
scan.nessus_scan(recon.subdomains, filename)
File "rta.py", line 304, in nessus_scan
self.nessus.scan_results(filename)
File "/root/RTA/scanning/nessus.py", line 197, in scan_results
if response["status"] == "ready":
KeyError: 'status'

Python version:
Python 2.7.12

OS, kernel:
Linux rta 4.4.0-116-generic #140-Ubuntu SMP Mon Feb 12 21:23:04 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux