Update app.py

app.py

@@ -32,7 +32,7 @@ st.markdown(info)
 txt = st.text_area("Text")
 if st.button('Submit'):
     with st.spinner('Wait for it...'):
-        audio_file = open(tts(txt, "en"), 'rb')
+        audio_file = open(tts(txt, default_lang), 'rb')
         audio_bytes = audio_file.read()
         st.balloons()
         st.success("Yay! Check out your TTS! P.S. Why not follow my GitHub, I'm @fakerybakery on GitHub!")