Update app.py

modelcenter/PP-HelixFold/APP/app.py

-!pip install -q gradio
-
 import gradio as gr
 import os
 
@@ -94,4 +92,4 @@ with demo:
             btn = gr.Button("View")
     mol = gr.HTML()
     btn.click(fn=update, inputs=[fastaName,fastaContent], outputs=mol)
-demo.launch()
\ No newline at end of file
+demo.launch()