Update app.py

app.py

@@ -377,7 +377,7 @@ async def upload_file(audio_file: UploadFile = File(...)):
             analysis_result.duration = 0.0
         return AnalysisResult(
             duration=force_float(analysis_result.duration) or 0.0,
-            language=analysis_result.languageCode,
+            language= languageCode,
             timeline_data=[
                 TimelineItem(
                     start=force_float(item.get('start')) or 0.0,