Update src/streamlit_app.py

src/streamlit_app.py

@@ -99,7 +99,14 @@ def get_vectorstore(text_chunks):
 
 def get_conversation_chain(vetorestore):
     handler = StdOutCallbackHandler()
-    llm = HuggingFaceHub(repo_id="google/flan-t5-large", model_kwargs={"temperature":5,"max_length":64})
+    llm = HuggingFaceHub(
+        repo_id="google/flan-t5-large",
+        task="text2text-generation",  
+        model_kwargs={
+            "temperature": 0.5,  
+            "max_length": 512   
+        }
+    )
     memory = ConversationBufferMemory(memory_key='chat_history', return_messages=True)
     conversation_chain = ConversationalRetrievalChain.from_llm(
         llm=llm,