Update app.py

app.py

@@ -197,8 +197,9 @@ with tab2:
     if "tech_thread_id" not in st.session_state:
         st.session_state.tech_thread_id = None
     if "tech_results" not in st.session_state:
-    if "tech_last_input" not in st.session_state:
-        st.session_state.tech_last_input = None
+    st.session_state.tech_results = []
+if "tech_last_input" not in st.session_state:
+    st.session_state.tech_last_input = None
         st.session_state.tech_results = []
     if "tech_lightbox" not in st.session_state:
         st.session_state.tech_lightbox = None