Update app.py

app.py

@@ -53,8 +53,7 @@ def process_sketch(canvas_data, binary_matrixes):
   image_data = base64.b64decode(base64_img.split(',')[1])
   image = Image.open(BytesIO(image_data))
   im2arr = np.array(image)
-  
-  colors = [tuple(int(color.lstrip('#')[i:i+2], 16) for i in (0, 2, 4)) for color in canvas_data['colors']] 
+  colors = [tuple(map(int, rgb[4:-1].split(','))) for rgb in canvas_data['colors']]
   colors_fixed = []
   for color in colors:
     r, g, b = color