Update app.py

app.py

@@ -1,12 +1,13 @@
-import gradio as gradio
-from langchain import PromptTemplate, HuggingFaceHub, LLMChain
-import os
-llm=HuggingFaceHub(repo_id="google/flan-t5-xxl")
-template = 'question:{question}'
-prompt = PromptTemplate(template=template, input_variables=["question"])
-chain = LLMChain(llm=llm, prompt=prompt)
+import gradio as gr
+from langchain_huggingface import HuggingFaceEndpoint
+llm = HuggingFaceEndpoint(
+    repo_id="meta-llama/Meta-Llama-3-8B-Instruct",
+    task="text-generation",
+    max_new_tokens=100,
+    do_sample=False,
+)
 def answer(question):
-  out=chain.run(question)
+  out=llm.invoke(question)
   return out
-demo = gr.Interface(fn=answer, inputs='text',outputs='text',examples= [['What is the capital of India ?']])
+demo = gr.Interface(fn=answer, inputs='text',outputs='text',examples=[['What is the capital of India ?']])
 demo.launch()