Fix hunter prematurely ending night.

Idea: let's NOT mess with how the game logic is laid out unless you can
mathematically prove that your new cool shorthand way of doing things is
exactly equivalent to the old way.

src/roles/hunter.py

@@ -127,7 +127,8 @@ def on_exchange(evt, cli, var, actor, nick, actor_role, nick_role):
 @event_listener("chk_nightdone")
 def on_chk_nightdone(evt, cli, var):
     evt.data["actedcount"] += len(KILLS) + len(PASSED)
-    evt.data["nightroles"].extend([p for p in var.ROLES["hunter"] if users._get(p) not in (HUNTERS | KILLS.keys())]) # FIXME
+    hunter_users = (users._get(p) for p in var.ROLES["hunter"]) # FIXME
+    evt.data["nightroles"].extend([p for p in hunter_users if p not in HUNTERS or p in KILLS])
 
 @event_listener("transition_night_end", priority=2)
 def on_transition_night_end(evt, cli, var):