еще раз изменил формат

server/proj/api/views.py

@@ -24,7 +24,7 @@ class FetchAndServeFile(ViewSet):
             # Create a response with the appropriate content type and headers
             file_response = HttpResponse(response.content, content_type='audio/mpeg')
             file_response['Content-Disposition'] = 'attachment; filename="output.mp3"'
-            return Response(f"{file_response}", status=status.HTTP_200_OK)
+            return file_response
             
         except requests.RequestException as e:
             return Response({'error': str(e)}, status=status.HTTP_400_BAD_REQUEST)