Fixing the SpatialHash issue 2186 (#2201)

Co-authored-by: Omar <osm3000@Omars-Laptop.local>

Author: osm3000

arcade/sprite_list/spatial_hash.py

@@ -33,10 +33,10 @@ class SpatialHash(Generic[SpriteType]):
 
     def __init__(self, cell_size: int) -> None:
         # Sanity check the cell size
+        if not isinstance(cell_size, int):
+            raise TypeError("cell_size must be an int (integer)")
         if cell_size <= 0:
             raise ValueError("cell_size must be greater than 0")
-        if not isinstance(cell_size, int):
-            raise ValueError("cell_size must be an integer")
 
         self.cell_size: int = cell_size
         """How big each grid cell is on each side.

tests/unit/spritelist/test_spatial_hash.py

@@ -10,6 +10,13 @@ def test_create():
     assert sh.buckets_for_sprite == {}
     assert sh.count == 0
 
+def test_incorrect_str_input():
+    with pytest.raises(TypeError):
+        sh = SpatialHash(cell_size="10")
+    
+def test_incorrect_inf_input():
+    with pytest.raises(TypeError):
+        sh = SpatialHash(cell_size=float("inf"))
 
 def test_reset():
     sh = SpatialHash(cell_size=10)