Update app.py

app.py

@@ -114,11 +114,12 @@ def create_news_video_app(news_text_input, image_files, video_ratio, input_audio
 
     try:
         if not image_files: raise ValueError("Por favor, sube al menos una imagen.")
-        if not news_text_input and not input_audio_file: raise ValueError("Escribe una noticia o genera el audio primero.")
-
-        if input_audio_file and os.path.exists(input_audio_file) and os.path.getsize(input_audio_file) > 0:
+        
+        if isinstance(input_audio_file, str) and os.path.exists(input_audio_file) and os.path.getsize(input_audio_file) > 0:
             shutil.copy(input_audio_file, temp_audio_file)
         else:
+            if not news_text_input:
+                raise ValueError("Escribe una noticia para generar el audio, ya que no se proporcionó una vista previa válida.")
             text_to_speech(news_text_input, temp_audio_file)
 
         audio_duration = get_audio_duration(temp_audio_file)
@@ -143,7 +144,7 @@ def create_news_video_app(news_text_input, image_files, video_ratio, input_audio
         if os.path.exists("audio_temp_preview.mp3"): os.remove("audio_temp_preview.mp3")
 
 with gr.Blocks(theme=gr.themes.Soft()) as demo:
-    gr.Markdown("# 🎥 Creador de Videos de Noticias")
+    gr.Markdown("# � Creador de Videos de Noticias")
     with gr.Row():
         with gr.Column(scale=2):
             news_input = gr.Textbox(label="1. Escribe tu noticia aquí", lines=5)
@@ -169,4 +170,4 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
         outputs=[output_message, video_output]
     )
 
-demo.launch()
+demo.launch()