Update app.py

app.py

@@ -3,6 +3,8 @@ import os
 import sys
 import subprocess
 
+os.system("pip install --upgrade gradio")
+
 def install_packages():
     packages = ["gradio", "plotly", "seaborn", "pandas", "openpyxl", "scikit-learn",
                 "fpdf2", "python-docx", "kaleido"]