big fix in video to audio conversion

app.py

@@ -31,7 +31,7 @@ demo = gr.Blocks(css=css, title="Video Watermark Remover")
 with demo:
     with gr.Tab("Video Watermark Remover"):
         gr.Markdown("""
-        # <center>🎥 Video Watermark Remover</center>
+        # <center>🎥 Video Watermark Remover (Slow)</center>
         """)
         with gr.Row():
             with gr.Column():

video_convertor.py

@@ -41,7 +41,7 @@ class VideoConverter:
             raise Exception("No audio stream found in the input file")
         
         try:
-            audio_segment = AudioSegment.from_file(self.input_file, self.audio.codec)
+            audio_segment = AudioSegment.from_file(self.input_file, self.video.audio.codec)
             audio_segment.export(output_file, format=format.lower())
             print(f"Audio converted to {format} format successfully!")
             return output_file