Update app.py

app.py

@@ -116,6 +116,9 @@ def prompt_engineer(text, longtext, query):
     from langchain.chains.combine_documents import create_stuff_documents_chain
     from langchain.chains.llm import LLMChain
     from langchain_core.prompts import ChatPromptTemplate
+    from langchain.docstore.document import Document
+
+    docs =  Document(page_content=longtext, metadata={"source": "local"})
     
     # Define prompt
     prompt = ChatPromptTemplate.from_messages(
@@ -126,7 +129,7 @@ def prompt_engineer(text, longtext, query):
     chain = create_stuff_documents_chain(llm, prompt)
     
     # Invoke chain
-    summary = chain.invoke({"context": longtext})
+    summary = chain.invoke({"context": docs})
     
     with st.sidebar:
         st.divider()