Update app.py

app.py

@@ -128,7 +128,7 @@ def test_connect():
 #     # Render the table.html template and pass the attendance data
 #     return render_template('attendance.html', attendance=attendance)
 
-@app.route('/')
+@app.route("/")
 def index():
     return 'hello'
     # return render_template('index.html')
@@ -136,6 +136,6 @@ def index():
 
 if __name__ == '__main__':
     # Start Flask application
-    socket.run(app,host='0.0.0.0', port=5000)
+    socket.run(app,host="0.0.0.0", port=5000)