`dict.has_key()` has been deprecated in python3, as per the release docs: https://docs.python.org/3.0/whatsnew/3.0.html#builtins
`dict.has_key()` has been deprecated in python3, as per the release docs:
https://docs.python.org/3.0/whatsnew/3.0.html#builtins

Changed `has_key()` to use python's `in` syntax.

lathiat/avahi,lathiat/avahi,lathiat/avahi,lathiat/avahi,lathiat/avahi,lathiat/avahi