Update pages/Statistics.py

pages/Statistics.py

@@ -90,6 +90,11 @@ if submit and user_input:
     messages = [SystemMessage(content=system_prompt), HumanMessage(content=user_input)]
     result = stats_mentor.invoke(messages)
     st.session_state[PAGE_KEY].append((user_input, result.content))
+# Define chat history key
+PAGE_KEY = "statistics_chat_history"
+if PAGE_KEY not in st.session_state:
+    st.session_state[PAGE_KEY] = []
+
 
 # Display chat history
 if st.session_state[PAGE_KEY]: