Update app.py

app.py

@@ -30,7 +30,6 @@ def allowed_file(filename):
 
 @app.route('/')
 def index():
-    session.clear()
     """Display the index page with the uploaded file information."""
     uploaded_file = session.get('uploaded_file', None)
     return render_template('index.html', uploaded_file=uploaded_file)