diff --git a/ox/image.py b/ox/image.py
index e7c7541..0fad5eb 100644
--- a/ox/image.py
+++ b/ox/image.py
@@ -14,12 +14,13 @@ except:
     import ImageFont
 
 
-ZONE_INDEX = []
-for pixel_index in range(64):
-    x, y = pixel_index % 8, int(pixel_index / 8)
-    ZONE_INDEX.append(int(x / 2) + int(y / 4) * 4)
-del x
-del y
+ZONE_INDEX = [
+    (int(x / 2) + int(y / 4) * 4)
+    for x, y in [
+        (pixel_index % 8, int(pixel_index / 8))
+        for pixel_index in range(64)
+    ]
+]
 
 def drawText(image, position, text, font_file, font_size, color):
     draw = ImageDraw.Draw(image)
@@ -165,8 +166,10 @@ def wrapText(text, max_width, max_lines, font_file, font_size):
             if width <= max_width and width > min_width:
                 min_width = width
         return min_width
+
     def get_width(string):
         return draw.textsize(string, font=font)[0]
+
     image = Image.new('RGB', (1, 1))
     draw = ImageDraw.Draw(image)
     font = ImageFont.truetype(font_file, font_size, encoding='unic')