Update chatbot temp and top k hyperparameters

app.py

@@ -20,20 +20,14 @@ vectordb = Chroma(persist_directory=persist_directory, embedding_function=embedd
 
 llm_name = "gpt-3.5-turbo"
 
-llm = ChatOpenAI(model_name=llm_name, temperature=0,
+llm = ChatOpenAI(model_name=llm_name, temperature=0.7,
                  openai_api_key=openai_api_key)
 
 qa_chain = RetrievalQA.from_chain_type(
     llm,
-    retriever=vectordb.as_retriever()
+    retriever=vectordb.as_retriever(search_kwargs={"k": best_k})
 )
 
-question = "production is broken how do I fix it?"
-
-result = qa_chain({"query": question})
-
-print(result['result'])
-
 
 # Streamed response emulator
 def response_generator(prompt):
@@ -44,7 +38,7 @@ def response_generator(prompt):
         time.sleep(0.05)
 
 
-st.title("Simple chat")
+st.title("Technical Support Chatbot")
 
 # Initialize chat history
 if "messages" not in st.session_state:
@@ -56,7 +50,7 @@ for message in st.session_state.messages:
         st.markdown(message["content"])
 
 # Accept user input
-if prompt := st.chat_input("What is up?"):
+if prompt := st.chat_input("Enter your question here"):
     # Add user message to chat history
     st.session_state.messages.append({"role": "user", "content": prompt})
     # Display user message in chat message container