Update app.py

app.py

@@ -414,7 +414,7 @@ def whisper_save_and_play_audio(audio_recorder):
         with open(filename, 'wb') as f:
             f.write(audio_bytes)
         st.audio(audio_bytes, format="audio/wav")
-        st.markdown('Written file {filename}', filename)
+        st.markdown(f'Written file ' + filename)
         return filename
 
 def whisper_transcribe_audio(filename):