Update app.py

app.py

@@ -1,11 +1,11 @@
 __all__ = ['is_cat','learn','classify_image','categories','image','label','examples','intf']
 
 
-! [ -e /content ] && pip install -Uqq fastbook
+pip install -Uqq fastbook
 import fastbook
 fastbook.setup_book()
 
-! pip install gradio
+pip install gradio
 
 from fastai.vision.all import*
 import gradio as gr