Update app.py

app.py

@@ -173,8 +173,11 @@ def create_conversational_rag_chain(retriever):
         verbose=False,
     )
 
-    from langchain import hub
-    prompt = hub.pull("rlm/rag-prompt")
+    template = """Answer the question based only on the following context:
+    {context}
+    Question: {question}
+    """
+    prompt = ChatPromptTemplate.from_template(template)
 
     rag_chain = prompt | llm | StrOutputParser()