Update app.py

app.py

@@ -7,7 +7,7 @@ def pixel(image):
     downsample_by = 3  # new image will be 1/14th of the original in size
     palette = 7  # find 7 colors
     # 1) Instantiate Pyx transformer
-    pyx = Pyx(factor=downsample_by, palette=palette)
+    pyx = Pyx(factor=downsample_by, palette=palette,depth=3)
     # 2) fit an image, allow Pyxelate to learn the color palette
     pyx.fit(image)
     # 3) transform image to pixel art using the learned color palette