Update app.py

app.py

@@ -336,7 +336,7 @@ def download_ai4b_asr_model(lang: str):
       raise ValueError(f"Invalid language code: {lang}")
   else:
       url = f"https://objectstore.e2enetworks.net/indic-asr-public/indicConformer/ai4b_indicConformer_{available_langs[lang]}.nemo"
-      subprocess.run(['wget', url, '-O', output_path], check=True)
+      subprocess.run(['wget', url, '-O', download_path], check=True)
     
 
   return download_path