Update app.py

app.py

@@ -193,15 +193,12 @@ if prompt := st.chat_input("How can I help you today?"):
 
 
     with st.sidebar:
-        choice = st.radio("References and TTS",["Reference" , 'TTS'])
-
-        if choice == 'Reference':
-            st.session_state['audio'] = True
+        choice = st.radio("References and TTS",["Reference & TTS" ], index=None,)
+        if choice == 'Reference & TTS':
             generate_pdf()
             st.session_state['reference'] = '/home/user/app/pdf2image/output.png'
             st.image(st.session_state['reference'])
-
-        if choice == 'TTS':
+            
             st.session_state.reference = True    
             with open('/home/user/app/audio/audio.mp3','wb') as sound_file:
                 tts = gTTS(result['result'], lang='en', tld = 'co.in')