The jupyter notebook doesn't have correct code suggestion when typing ''

[Micro-sheep]

Environment data

• VS Code version: 1.61.1
• Jupyter Extension version (available under the Extensions sidebar): v2021.9.1101343141
• Python Extension version (available under the Extensions sidebar): v2021.10.1336267007
• OS (Windows | Mac | Linux distro) and version: Windows 11
• Python and/or Anaconda version: python 3.7
• Type of virtual environment used : conda
• Jupyter server running: Local

Expected behaviour

When typing '', there should not be any suggestion like typing in .py file.

Actual behaviour

When typing in jupyter, it show suggestions like bellow

Steps to reproduce:

1. Create a new .ipynb file and edit it in vscode
2. Select python 3.7 as kernel
3. Type '' or "" in cell in jupyter
4. Then you will see incorrect suggestions like above.

[claudiaregio]

Dupe of #7880