rover: use real Vector class

rover/rover.py

@@ -1,9 +1,13 @@
 from dataclasses import dataclass
-from typing import Tuple
 
-Vector = Tuple[int, int]
 
 @dataclass
-class Rover():
+class Vector:
+    x: int
+    y: int
+
+
+@dataclass
+class Rover:
     pos: Vector
     planet_size: Vector

rover/test_rover.py

@@ -1,5 +1,6 @@
-from rover import *
+from rover import Rover
+
 
 def test_rover_constructor():
     rov = Rover(pos=(0, 0), planet_size=(100, 100))
-    assert(rov.pos == (0, 0) and rov.planet_size == (100, 100))
+    assert rov.pos == (0, 0) and rov.planet_size == (100, 100)