Status 595 occurs sometimes

[rapideinternet]

Traceback (most recent call last):
 File "/usr/local/bin/proxtop", line 404, in <module>
   main()
 File "/usr/local/bin/proxtop", line 395, in __call__
   only_vms=args.only_vms, partial_match=args.partial_match)
 File "/usr/local/bin/proxtop", line 140, in get_rrddata
   smbios1 = container.config.get().get('smbios1', '')
 File "/usr/local/lib/python2.7/dist-packages/proxmoxer/core.py", line 84, in get
   return self(args)._request("GET", params=params)
 File "/usr/local/lib/python2.7/dist-packages/proxmoxer/core.py", line 79, in _request
   raise ResourceException("{0} {1}".format(resp.status_code, httplib.responses[resp.status_code]))
KeyError: 595
Traceback (most recent call last):
 File "/usr/local/bin/proxtop", line 404, in <module>
   main()
 File "/usr/local/bin/proxtop", line 395, in __call__
   only_vms=args.only_vms, partial_match=args.partial_match)
 File "/usr/local/bin/proxtop", line 140, in get_rrddata
   smbios1 = container.config.get().get('smbios1', '')
 File "/usr/local/lib/python2.7/dist-packages/proxmoxer/core.py", line 84, in get
   return self(args)._request("GET", params=params)
 File "/usr/local/lib/python2.7/dist-packages/proxmoxer/core.py", line 79, in _request
   raise ResourceException("{0} {1}".format(resp.status_code, httplib.responses[resp.status_code]))
KeyError: 595