Update gradio_app.py

gradio_app.py

@@ -53,7 +53,7 @@ def function(model_name: str, num_molecules: int, seed_num: int) -> tuple[PIL.Im
     config = model_configs[model_name]
     config.sample_num = num_molecules
 
-    if seed_num is not None:
+    if seed_num is not None or seed_num != '':
         try:
             config.seed = int(seed_num)
         except ValueError: 
@@ -123,7 +123,7 @@ with gr.Blocks() as demo:
                 choices=("DrugGEN", "NoTarget"),
                 value="DrugGEN",
                 label="Select a model to make inference",
-                info=" DrugGEN model design molecules to target the AKT1 protein"
+                info="DrugGEN model design molecules to target the AKT1 protein (P31749)."
             )
 
             num_molecules = gr.Number(
@@ -132,11 +132,13 @@ with gr.Blocks() as demo:
                 minimum=1,
                 value=1000,
                 maximum=10_000,
+                info="It will take ~75-80 seconds to generate 1000 mols."
             )
 
             seed_num = gr.Textbox(
-                label="RNG seed value (can be used for reproducibility):",
-                value=None
+                label="RNG seed value",
+                value=None,
+                info="This is optional, it can be used for reproducibility."
             )
 
             submit_button = gr.Button(