Update app.py

app.py

@@ -98,7 +98,7 @@ def create_retriever_from_chroma(vectorstore_path="docs/chroma/", search_type='m
     [
         ("system", contextualize_q_system_prompt),
         MessagesPlaceholder("chat_history"),
-        ("human", "{question}"),
+        ("human", "{input}"),
     ]
 )
 
@@ -147,7 +147,7 @@ def main():
 def handle_userinput(user_question,retriever):
     st.session_state.messages.append({"role": "user", "content": user_question})
     st.chat_message("user").write(user_question)
-    docs = retriever.invoke({"question": user_question, "chat_history": st.session_state.messages})
+    docs = retriever.invoke({"input": user_question, "chat_history": st.session_state.messages})
 
     with st.sidebar:
         st.subheader("Your documents")