Remove useless parentheses

Author: scorphus

src/24-ambiguity.py

@@ -27,10 +27,10 @@
 turns_set = {(1, 0), (0, 1), (-1, 0), (0, -1)}
 
 turns_map = {
-    (1, 0): turns_set - {((-1, 0))},
-    (-1, 0): turns_set - {((1, 0))},
-    (0, 1): turns_set - {((0, -1))},
-    (0, -1): turns_set - {((0, 1))},
+    (1, 0): turns_set - {(-1, 0)},
+    (-1, 0): turns_set - {(1, 0)},
+    (0, 1): turns_set - {(0, -1)},
+    (0, -1): turns_set - {(0, 1)},
 }
 
 

src/etc.py

@@ -28,7 +28,7 @@ def image_to_text(image, threshold=10, skip=6, white="##", black="  "):
     image = image.crop(image.getbbox()).convert("L")
     cols, rows = -(-image.width // skip), -(-image.height // skip)  # ceiling
     lines = [[black] * cols for _ in range(rows)]
-    for (x, y) in product(range(0, image.width, skip), range(0, image.height, skip)):
+    for x, y in product(range(0, image.width, skip), range(0, image.height, skip)):
         if image.getpixel((x, y)) > threshold:
             lines[y // skip][x // skip] = white
     return "\n".join(filter(str.strip, map("".join, lines)))