Update app.py

app.py

@@ -8,6 +8,19 @@ from langchain.chains import ConversationalRetrievalChain
 from langchain.chat_models import ChatOpenAI
 from langchain.memory import ConversationBufferMemory
 
+from langchain.prompts import PromptTemplate
+template= """
+    You are a study partner assistant,students give you pdfs,web page links and youtube video links,
+    and you help them to answer their questions.
+  
+    Answer the question based on the most recent provided ressources only.
+    Give the most relevant answer.
+     {context}
+     Question: {question}
+     Answer:
+    """
+
+
 openai_api_key = os.environ.get("OPENAI_API_KEY")
 
 class AdvancedPdfChatbot:
@@ -15,7 +28,7 @@ class AdvancedPdfChatbot:
         os.environ["OPENAI_API_KEY"] = openai_api_key
         self.embeddings = OpenAIEmbeddings()
         self.text_splitter = RecursiveCharacterTextSplitter(chunk_size=1000, chunk_overlap=200)
-        self.llm = ChatOpenAI(temperature=0, model_name="gpt-3.5-turbo")
+        self.llm =  OpenAIChat(temperature=0,model_name='gpt-3.5-turbo',prompt = PromptTemplate(template=template)
         self.memory = ConversationBufferMemory(memory_key="chat_history", return_messages=True)
         self.qa_chain = None