update

app.py

@@ -154,7 +154,9 @@ def main():
                     step=0.05, 
                     value=llm_handler.default_temperature
                 )
+
             with gr.Row():
+
                 max_tokens = gr.Number(
                     label="Max Tokens", 
                     value=llm_handler.default_max_tokens, 
@@ -163,10 +165,11 @@ def main():
 
                 custom_template = gr.File(
                     label="Custom Template", 
-                    file_types="html", 
+                    file_types=["html"], 
                     visible=True)
 
             with gr.Row():
+
                 system_message = gr.Textbox(
                     label="System Message", 
                     placeholder="Enter a custom system message (optional).", 
@@ -175,9 +178,9 @@ def main():
                 )
                 
                 few_shot = gr.Textbox(
-                    label="Few Shot", 
-                    placeholder="Enter a custom few shot (optional).", 
-                    value=None,
+                    label="Few-Shot Examples", 
+                    placeholder="Enter custom few shot (optional).", 
+                    value="",
                     visible=True)