app.py

# import gradio as gr

# pip install langchain[all]
import os
os.environ["HUGGINGFACEHUB_API_TOKEN"] = "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"
from langchain import PromptTemplate, HuggingFaceHub, LLMChain
template = """Question: {question}

Answer: Let's think step by step."""
prompt = PromptTemplate(template=template, input_variables=["question"])
llm=HuggingFaceHub(repo_id="google/flan-t5-xl", model_kwargs={"temperature":1e-10})

question = "When was Google founded?"

print(llm_chain.run(question))

# def greet(name):
#     return "Hello " + name + "!!"

# iface = gr.Interface(fn=greet, inputs="text", outputs="text")
# iface.launch()