Update app.py

app.py

@@ -24,7 +24,7 @@ embedding = HuggingFaceHubEmbeddings()
 loader = PyPDFLoader("sample.pdf")
 pages = loader.load_and_split()
 
-text_splitter = RecursiveCharacterTextSplitter(chunk_size=500, chunk_overlap=0)
+text_splitter = RecursiveCharacterTextSplitter(chunk_size=500, chunk_overlap=50)
 docs = text_splitter.split_documents(pages)
 
 vectorstore = Chroma.from_documents(documents=docs, embedding=embedding)
@@ -40,7 +40,7 @@ PROMPT = PromptTemplate(
 )
 chain_type_kwargs = {"prompt": PROMPT}
 
-llm = HuggingFaceHub(repo_id="google/flan-ul2", model_kwargs={"temperature":0.1, "max_new_tokens":150})
+llm = HuggingFaceHub(repo_id="google/flan-ul2", model_kwargs={"temperature":0.4, "max_new_tokens":250})
 
 qachain=RetrievalQA.from_chain_type(llm, retriever=vectorstore.as_retriever(), chain_type_kwargs=chain_type_kwargs)
 st.header("#CodeWars localGPT", divider='rainbow')