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Only XML files are generated

See original GitHub issue

Only XML file is generated, IP for tex generator is empty:

docker run --name flan_1574405167 -v /srv/git/flan/shared:/shared flan_scan
# Nmap 7.70 scan initiated Fri Nov 22 06:46:08 2019 as: nmap -sV -oX /shared/xml_files/2019.11.22-06.46/x.x.x.18.xml -oN - -v1 --script=vulners/vulners.nse x.x.x.18
Nmap scan report for static.x-x-x-18.clients.your-server.de (x.x.x.18)
Host is up (0.00027s latency).
Not shown: 996 closed ports
PORT     STATE    SERVICE    VERSION
22/tcp   open     ssh        OpenSSH 7.4 (protocol 2.0)
| vulners: 
|   cpe:/a:openbsd:openssh:7.4: 
|       CVE-2018-15919  5.0     https://vulners.com/cve/CVE-2018-15919
|_      CVE-2017-15906  5.0     https://vulners.com/cve/CVE-2017-15906
80/tcp   open     http       nginx 1.16.1
|_http-server-header: nginx/1.16.1
443/tcp  open     ssl/http   nginx 1.16.1
|_http-server-header: nginx/1.16.1
|_http-trane-info: Problem with XML parsing of /evox/about
9001/tcp filtered tor-orport

Read data files from: /usr/bin/../share/nmap
Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
# Nmap done at Fri Nov 22 06:46:23 2019 -- 1 IP address (1 host up) scanned in 15.41 seconds
# Nmap 7.70 scan initiated Fri Nov 22 06:46:23 2019 as: nmap -sV -oX /shared/xml_files/2019.11.22-06.46/.xml -oN - -v1 --script=vulners/vulners.nse
Read data files from: /usr/bin/../share/nmap
WARNING: No targets were specified, so 0 hosts scanned.
# Nmap done at Fri Nov 22 06:46:23 2019 -- 0 IP addresses (0 hosts up) scanned in 0.35 seconds
WARNING: No targets were specified, so 0 hosts scanned.
Traceback (most recent call last):
  File "/output_report.py", line 225, in <module>
    main()
  File "/output_report.py", line 216, in main
    parse_results(data)
  File "/output_report.py", line 98, in parse_results
    hosts = data['nmaprun']['host']
KeyError: 'host'
sed: /shared/reports/report_2019.11.22-06.46.tex: No such file or directory
sed: /shared/reports/report_2019.11.22-06.46.tex: No such file or directory
sed: /shared/reports/report_2019.11.22-06.46.tex: No such file or directory