Flesh out typing information, enforce.

gen/flights/ai_flight_planner.py

@@ -1057,7 +1057,7 @@ class CoalitionMissionPlanner:
                 # delayed until their takeoff time by AirConflictGenerator.
                 package.time_over_target = next(start_time) + tot
 
-    def message(self, title, text) -> None:
+    def message(self, title: str, text: str) -> None:
         """Emits a planning message to the player.
 
         If the mission planner belongs to the players coalition, this emits a

gen/flights/flight.py

@@ -8,7 +8,6 @@ from dcs.mapping import Point
 from dcs.point import MovingPoint, PointAction
 from dcs.unit import Unit
 
-from game import db
 from game.dcs.aircrafttype import AircraftType
 from game.squadrons import Pilot, Squadron
 from game.theater.controlpoint import ControlPoint, MissionTarget
@@ -323,12 +322,12 @@ class Flight:
     def clear_roster(self) -> None:
         self.roster.clear()
 
-    def __repr__(self):
+    def __repr__(self) -> str:
         if self.custom_name:
             return f"{self.custom_name} {self.count} x {self.unit_type}"
         return f"[{self.flight_type}] {self.count} x {self.unit_type}"
 
-    def __str__(self):
+    def __str__(self) -> str:
         if self.custom_name:
             return f"{self.custom_name} {self.count} x {self.unit_type}"
         return f"[{self.flight_type}] {self.count} x {self.unit_type}"