bug fix

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, format=self.audio.extension)
             audio_segment.export(output_file, format=format.lower())
             print(f"Audio converted to {format} format successfully!")
             return output_file