Environment data

• VS Code version: 1.30.0 (user setup)
• Extension version (available under the Extensions sidebar): 2018.12.1
• OS and version: Windows 10

Expected behaviour

• Open VS Code in an empty folder with just one .ipynb file.
• Open .ipynb file, python extension loads, and get a prompt to import it

Actual behaviour

• Open VS Code in an empty folder with just one .ipynb file.
• Open .ipynb file, Python extension doesn't load, no prompt to import it