<!-- ⚠️⚠️ Do Not Delete This! bug_report_template ⚠️⚠️ --> <!-- Please read our Rules of Conduct: https://opensource.microsoft.com/codeofconduct/ --> <!-- Please search existing issues to avoid creating duplicates. --> <!-- Also please test using the latest insiders build to make sure your issue has not already been fixed: https://code.visualstudio.com/insiders/ --> <!-- Use Help > Report Issue to prefill these. --> - VSCode Version: 1.47.2 - OS Version: Ubuntu 18.04 LTS Steps to Reproduce: 1. Open an .ipynb file 2. Insert a new cell 3. And paste any content inside the cell <!-- Launch with `code --disable-extensions` to check. --> Does this issue occur when all extensions are disabled?: Yes (This occurs in Python Extension)