Update app.py

app.py

@@ -317,7 +317,10 @@ def main() -> None:
     initialize_env_variables(prod_mode, additional_env_vars)
 
     if 'input_disabled' not in st.session_state:
-        st.session_state.input_disabled = True
+        if 'SAMBANOVA_API_KEY' in st.session_state:
+            st.session_state.input_disabled = False
+        else:
+            st.session_state.input_disabled = True
     if 'chat_history' not in st.session_state:
         st.session_state.chat_history = []
     if 'search_performed' not in st.session_state: