Update app.py

app.py

@@ -127,7 +127,8 @@ def init_session_state():
         'autosend': True, 'autosearch': True, 'last_message': "", 'last_query': "",
         'mp3_files': {}, 'timer_start': time.time(), 'quote_index': 0,
         'quote_source': "famous", 'last_sent_transcript': "", 'old_val': None,
-        'last_refresh': time.time(), 'paper_metadata': {}, 'paste_image_base64': ""
+        'last_refresh': time.time(), 'paper_metadata': {}, 'paste_image_base64': "",
+        'use_arxiv': True, 'use_arxiv_audio': False  # Added missing keys
     }
     for k, v in defaults.items():
         if k not in st.session_state: