Fix some custom nodes.

Author: comfyanonymous

nodes.py

@@ -298,7 +298,7 @@ def INPUT_TYPES(s):
 
     CATEGORY = "_for_testing"
 
-    def decode(self, vae, samples, tile_size, overlap):
+    def decode(self, vae, samples, tile_size, overlap=64):
         if tile_size < overlap * 4:
             overlap = tile_size // 4
         images = vae.decode_tiled(samples["samples"], tile_x=tile_size // 8, tile_y=tile_size // 8, overlap=overlap // 8)