Update app.py

app.py

@@ -22,15 +22,19 @@ os.environ["HUGGINGFACEHUB_API_TOKEN"] = "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"
 embedding = HuggingFaceHubEmbeddings()
 
 loader = PyPDFLoader("sample.pdf")
-pages = loader.load_and_split()
+pdf = loader.load()
 
-vectorstore = Chroma.from_documents(documents=pages, embedding=embedding)
+text_splitter = RecursiveCharacterTextSplitter(chunk_size=500, chunk_overlap=0)
+docs = text_splitter.split_documents(pdf)
+
+vectorstore = Chroma.from_documents(documents=docs, embedding=embedding)
 
 
 memory = ConversationBufferMemory(memory_key="chat_history", return_messages=True) # to remember chat history include this
 
 
 prompt_template = """Use the following pieces of context to answer the question at the end. If you don't know the answer, just say that you don't know, don't try to make up an answer.
+Answer with a single sentence
 {context}
 Question: {question}"""