Maze Solver SbSp: Final QA Fix

Author: bzaczynski

python-maze-solver/source_code_final/src/maze_solver/view/primitives.py

@@ -55,7 +55,7 @@ def draw(self, **attributes) -> str:
         return "".join(line.draw(**attributes) for line in self)
 
 
-@dataclass
+@dataclass(frozen=True)
 class Rect:
     top_left: Point | None = None