1 files changed, 8 insertions, 2 deletions
diff --git a/modules/ui_extra_networks_textual_inversion.py b/modules/ui_extra_networks_textual_inversion.py
index 55ef0ea7..1b334fda 100644
--- a/modules/ui_extra_networks_textual_inversion.py
+++ b/modules/ui_extra_networks_textual_inversion.py
@@ -14,6 +14,8 @@ class ExtraNetworksPageTextualInversion(ui_extra_networks.ExtraNetworksPage):
 
     def create_item(self, name, index=None, enable_filter=True):
         embedding = sd_hijack.model_hijack.embedding_db.word_embeddings.get(name)
+        if embedding is None:
+            return
 
         path, ext = os.path.splitext(embedding.filename)
         return {
@@ -29,8 +31,12 @@ class ExtraNetworksPageTextualInversion(ui_extra_networks.ExtraNetworksPage):
         }
 
     def list_items(self):
-        for index, name in enumerate(sd_hijack.model_hijack.embedding_db.word_embeddings):
-            yield self.create_item(name, index)
+        # instantiate a list to protect against concurrent modification
+        names = list(sd_hijack.model_hijack.embedding_db.word_embeddings)
+        for index, name in enumerate(names):
+            item = self.create_item(name, index)
+            if item is not None:
+                yield item
 
     def allowed_directories_for_previews(self):
         return list(sd_hijack.model_hijack.embedding_db.embedding_dirs)