fix xyz grid with scripts/detailer

Signed-off-by: Vladimir Mandic <mandic00@live.com>

modules/postprocess/yolo.py

@@ -202,7 +202,6 @@ class YoloRestorer(Detailer):
                 shared.log.info(f'Detailer: model="{name}" no items detected')
                 continue
 
-            pp = None
             shared.opts.data['mask_apply_overlay'] = True
             resolution = 512 if shared.sd_model_type in ['none', 'sd', 'lcm', 'unknown'] else 1024
             orig_prompt: str = orig_p.get('all_prompts', [''])[0]

scripts/xyz_grid_on.py

@@ -419,6 +419,14 @@ class Script(scripts.Script):
 
 
     def process_images(self, p, *args): # pylint: disable=W0221, W0613
-        if p.iteration > 0 and cache is not None and len(cache.images) > 0:
-            cache.images = [] # avoid returning same images multiple items
-        return cache
+        if hasattr(cache, 'used'):
+            cache.images.clear()
+            cache.used = False
+        elif cache is not None and len(cache.images) > 0:
+            cache.used = True
+            p.restore_faces = False
+            p.detailer = False
+            p.color_corrections = None
+            p.scripts = None
+            return cache
+        return None