maybe this fixes it

hydra_node/models.py

@@ -699,7 +699,7 @@ class EmbedderModel(nn.Module):
         #check if text is a substring in tag_count.keys()
         found = []
         for tag, count in self.tag_count_sorted:
-            if tag.startswith(text):
+            if len(tag) > len(text) and tag.startswith(text):
                 found.append([tag, count])
 
         results = []
@@ -718,7 +718,7 @@ class EmbedderModel(nn.Module):
         results = sorted(results, key=lambda x: x[1], reverse=True)
         found = found[:5]
         for result in found:
-            if result in results:
+            if result[0] in results:
                 results.remove(result)
 
         results = results[:-len(found)]