Update app.py

app.py

@@ -349,29 +349,28 @@ async def process_input(input_text: str, input_file, language: str, speaker1: st
 # Gradio UI
 def generate_podcast_gradio(input_text, input_file, language, speaker1, speaker2, api_key, progress=gr.Progress()):
     # Handle the file if uploaded
-    file_obj = None
-    if input_file is not None:
-        file_obj = input_file
-        
-    # Use the progress function from Gradio
+    file_obj = input_file if input_file is not None else None
+
     def progress_callback(value, text):
         progress(value, text)
 
-    # Run the async function in the event loop
-    result = asyncio.run(process_input(
-        input_text, 
-        file_obj, 
-        language, 
-        speaker1, 
-        speaker2, 
-        api_key,
-        progress_callback
-    ))   
+    try:
+        # Run the async function in the event loop
+        result = asyncio.run(process_input(
+            input_text,
+            file_obj,
+            language,
+            speaker1,
+            speaker2,
+            api_key,
+            progress_callback
+        ))
         return result  # Should be a string (audio file path)
     except Exception as e:
         # Don't return error string, RAISE for Gradio error popup
         raise gr.Error(str(e))
 
+
 def main():
     with gr.Blocks(title="PodcastGen 🎙️") as demo:
         gr.Markdown(