1 files changed, 9 insertions, 1 deletions
diff --git a/modules/ui_extra_networks_checkpoints.py b/modules/ui_extra_networks_checkpoints.py
index ca6c2607..1693e71f 100644
--- a/modules/ui_extra_networks_checkpoints.py
+++ b/modules/ui_extra_networks_checkpoints.py
@@ -10,11 +10,16 @@ class ExtraNetworksPageCheckpoints(ui_extra_networks.ExtraNetworksPage):
     def __init__(self):
         super().__init__('Checkpoints')
 
+        self.allow_prompt = False
+
     def refresh(self):
         shared.refresh_checkpoints()
 
     def create_item(self, name, index=None, enable_filter=True):
         checkpoint: sd_models.CheckpointInfo = sd_models.checkpoint_aliases.get(name)
+        if checkpoint is None:
+            return
+
         path, ext = os.path.splitext(checkpoint.filename)
         return {
             "name": checkpoint.name_for_extra,
@@ -30,9 +35,12 @@ class ExtraNetworksPageCheckpoints(ui_extra_networks.ExtraNetworksPage):
         }
 
     def list_items(self):
+        # instantiate a list to protect against concurrent modification
         names = list(sd_models.checkpoints_list)
         for index, name in enumerate(names):
-            yield self.create_item(name, index)
+            item = self.create_item(name, index)
+            if item is not None:
+                yield item
 
     def allowed_directories_for_previews(self):
         return [v for v in [shared.cmd_opts.ckpt_dir, sd_models.model_path] if v is not None]