Update app.py

app.py

@@ -74,7 +74,7 @@ def transcribe(audio_filepath, src_lang, tgt_lang, pnc):
             "answer": "predict"
         }
 
-        manifest_filepath = os.path.join(tmpdir, config.json')
+        manifest_filepath = os.path.join(tmpdir, 'config.json')
 
         with open(manifest_filepath, 'w') as fout:
             json.dump(manifest_data, fout)