title: pylint warning about ipaddress
body: <p>#!/usr/bin/python3.8</p>
  <p>&quot;&quot;&quot;
  Check for if ip in subnet
  &quot;&quot;&quot;</p>
  <p>import ipaddress</p>
  <p>MY_VPC_SUBNETS = [&quot;10.0.0.0/8&quot;, &quot;172.16.0.0/12&quot;, &quot;192.168.0.0/16&quot;]</p>
  <p>MY_VPC_IPS = [&quot;10.16.0.0/12&quot;, &quot;172.16.12.0/28&quot;, &quot;10.15.90.2/32&quot;]</p>
  <p>for network in MY_VPC_SUBNETS:
  internal_network = ipaddress.ip_network(network)
  for my_valid_ip in MY_VPC_IPS:
  my_ip = ipaddress.ip_network(my_valid_ip)
  if my_ip.subnet_of(internal_network):
  print(my_ip, &quot;in subnet&quot;, internal_network)</p>
  <p>my warning is
  check_ip.py:17:11: E1101: Instance of 'IPv4Network' has no 'subnet_of' member (no-member)
  check_ip.py:17:11: E1101: Instance of 'IPv6Network' has no 'subnet_of' member (no-member)</p>