The Helm installation order can be seen here
Trying to use a gcloud asdf installation it fails with the error:
ERROR: gcloud failed to load: No module named '_sqlite3'
After installing various components (readline, tk etc) the last one to install to make gcloud work is liblzma-dev (sudo apt install liblzma-dev)
Then gcloud works
Google Cloud SDK 420.0.0
Updates are available for some Google Cloud CLI components. To install them,
$ gcloud components update