bug: poorman use sample file format not grid

scripts/poor_mans_outpainting.py

@@ -138,7 +138,7 @@ class Script(scripts.Script):
         combined_image = images.combine_grid(grid)
 
         if opts.samples_save:
-            images.save_image(combined_image, p.outpath_samples, "", initial_seed, p.prompt, opts.grid_format, info=initial_info, p=p)
+            images.save_image(combined_image, p.outpath_samples, "", initial_seed, p.prompt, opts.samples_format, info=initial_info, p=p)
 
         processed = Processed(p, [combined_image], initial_seed, initial_info)