title: I have problem with jupyter notebok, its doesn't run my code and creat new notebook
body: <p>I have a problem with notebook. before its worked but recenlty doesn't run my code. I triend to reinstall with anaconda, installed kernels but nothing changed. Maybe somebody help me with this</p>
  <p><img src="https://i.stack.imgur.com/5oqKn.png" alt="enter image description here" /></p>