Update app.py

app.py

@@ -9,8 +9,10 @@ import glob
 import gradio as gr
 from PIL import Image
 from segment_anything import SamAutomaticMaskGenerator, SamPredictor, sam_model_registry
-!python -m pip install --upgrade pip
-!pip install gradio==3.27.0 --user
+
+os.system("python -m pip install --upgrade pip")
+os.system("pip uninstall -y gradio")
+os.system("pip install gradio==3.27.0")
 
 matplotlib.pyplot.switch_backend('Agg') # for matplotlib to work in gradio
 #setup model