function parameter hover card does not close when using IntelliSense within it #498

Environment data

VS Code version: 1.19.1(1.19.1)
Python Extension version: 0.9.1
Python Version: 3.6.3
OS and version: macOS High Sierra 10.13.2(17C88)

Actual behavior

1. key stroke "print(" -> function popup start
2. key stroke ")" -> function popup close, but...
3. key stoke "alt+enter" -> function popup not close

Expected behavior

3. key stoke "alt+enter" -> function popup close

Steps to reproduce:

1. key stroke "print(" -> function popup start
2. key stroke ")" -> function popup close
3. key stoke "alt+enter" -> function popup close

Logs

Output from Python output panel

Output from Console window (Help->Developer Tools menu)