fixing empty seq bug using gr.update

app.py

@@ -65,7 +65,7 @@ def generate_smiles_for_sequence(protein_sequence: str, num_samples: int, reques
     return ",\n".join(unique_smiles)
 
 def enable_btn(seq: str):
-    return gr.Button.update(interactive=len(seq) >= 10)
+    return gr.update(interactive=len(seq) >= 10)
 
 
 def log_run(client_ip: str, seq: str):
@@ -172,7 +172,7 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
         *Model developed by Gero AI. For more details, check out the [original repository](https://github.com/gero-science/ProtoBind-Diff).*
         """
     )
-    protein_sequence.change(enable_btn, inputs=protein_sequence, outputs=submit_btn)
+    protein_sequence.input(enable_btn, inputs=protein_sequence, outputs=submit_btn)
 
     submit_btn.click(
         fn=generate_smiles_for_sequence,