Extension causes high cpu load

[selpoG]

• Issue Type: Performance
• Extension Name: python
• Extension Version: 2018.12.1
• OS Version: Linux x64 4.15.0-42-generic
• VSCode version: 1.30.1

⚠️ Make sure to attach this file from your home-directory: /home/selpo/ms-python.python-unresponsive.cpuprofile.txt ⚠️

Find more details here: https://github.com/Microsoft/vscode/wiki/Explain:-extension-causes-high-cpu-load
ms-python.python-unresponsive.cpuprofile.txt

[brettcannon]

Closing as a duplicate of #3737 unless you wish to open a new issue with our issue template filled out as the info provided is more for VS Code's benefit than ours.