Update app.py

app.py

@@ -2,6 +2,7 @@ import gradio as gr
 from transformers import AutoTokenizer
 import os
 
+os.system("python -m pip install --upgrade pip")
 os.system("pip install git+https://github.com/bigscience-workshop/petals")
 
 from petals import AutoDistributedModelForCausalLM