Don't regen if the world returns False from interpret_slot_data (#2)

Author: silasary

worlds/tracker/TrackerClient.py

@@ -214,7 +214,7 @@ def on_package(self, cmd: str, args: dict):
 
             if callable(getattr(self.multiworld.worlds[self.player_id], "interpret_slot_data", None)):
                 temp = self.multiworld.worlds[self.player_id].interpret_slot_data(args["slot_data"])
-                if temp is not None:
+                if temp:
                     self.re_gen_passthrough = {self.game: temp}
                     self.run_generator()