IPAM prefixes list view throwing AttributeError

[ktims]

Environment

• Python version: 3.6.7
• NetBox version: 2.7.0

Steps to Reproduce

1. Visit /ipam/prefixes

Template to be rendered normally.

<class 'AttributeError'>

'IPAddress' object has no attribute 'ip'

The full backtrace from the log is here.

[jeremystretch]

This is a regression introduced by changes to BaseIPField in #3525. Working on a fix.

[jeremystretch]

Also need to extend our tests to catch errors like this.

[ktims]

Another instance found on /ipam/ip-addresses/

Traceback (most recent call last):
  File "/srv/netbox/.env/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner
    response = get_response(request)
  File "/srv/netbox/.env/lib/python3.6/site-packages/django/core/handlers/base.py", line 115, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "/srv/netbox/.env/lib/python3.6/site-packages/django/core/handlers/base.py", line 113, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/srv/netbox/.env/lib/python3.6/site-packages/django/views/generic/base.py", line 71, in view
    return self.dispatch(request, *args, **kwargs)
  File "/srv/netbox/.env/lib/python3.6/site-packages/django/contrib/auth/mixins.py", line 85, in dispatch
    return super().dispatch(request, *args, **kwargs)
  File "/srv/netbox/.env/lib/python3.6/site-packages/django/views/generic/base.py", line 97, in dispatch
    return handler(request, *args, **kwargs)
  File "/srv/netbox/netbox/ipam/views.py", line 661, in get
    vrf=ipaddress.vrf, prefix__net_contains=str(ipaddress.address.ip)
AttributeError: 'IPAddress' object has no attribute 'ip'

I was about to submit a PR for these two, but it's trivial and looks like you're on it.