Update app.py

app.py

@@ -147,7 +147,11 @@ with gr.Blocks() as demo:
         content_input = gr.Textbox(label="Paste your content or upload a document")
         document_upload = gr.File(label="Upload Document")
     
-    duration = gr.Radio(["1-5 min", "5-10 min", "10-15 min"], label="Estimated podcast duration")
+    duration = gr.Radio(
+        ["1-5 min", "5-10 min", "10-15 min"], 
+        label="Estimated podcast duration",
+        value="1-5 min"  # This sets the default value
+    )
     
     num_hosts = gr.Radio([1, 2], label="Number of podcast hosts", value=2)