Change inclusion to equality.

The expression on the right of the 'in' was being interpreted as a str
with some pointless parens around it so 'in' meant 'is a substring of'.
Remove the parens and change in to == to get the desired semantics.

Signed-off-by: mulhern <amulhern@redhat.com>
Remove redundant import.

Signed-off-by: mulhern <amulhern@redhat.com>