callable instead of callable()

app.py

@@ -12,7 +12,7 @@ MESSAGED={'title':'Script Server',
 tokenizer = AutoTokenizer.from_pretrained('allenai/specter')
 encoder = AutoModel.from_pretrained('allenai/specter')
 
-@anvil.server.callable()
+@anvil.server.callable
 def encode_anvil(text):
     inputs = tokenizer(text, padding=True, truncation=True, 
                        return_tensors="pt", max_length=512)