Changing the way the tile matrix is declared so that every column is represented by a different list

dungeonbattle/mapgeneration/randomwalk.py

@@ -58,7 +58,7 @@ class Generator:
     def run(self):
         width, height = self.params["width"], self.params["height"]
         walkers = [Walker(width//2, height//2)]
-        grid = [[Tile.WALL] * width] * height
+        grid = [[Tile.WALL for _ in range(width)] for _ in range(height)]
         count = 0
         while count < self.params["fill"] * width*height:
             # because we can't add or remove walkers while looping over the pop