tree de957d5cb145b3ba425cb0237231b3c96e6e90a7
parent 683ceadc32877766f4f9c6c4b584232d96f81cb7
author Sam Clegg <sbc@chromium.org> 1588881079 -0400
committer GitHub <noreply@github.com> 1588881079 -0700
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Make installation errors fatal (#437)

If `is_installed` doesn't return true after install than something
serious went wrong so make this into a warning.

Also, clean up couple of places to make the python code more
readable.