YAML-defined commands do not appear in the fzf list

[mbhynes]

Summary

There are gcloud commands defined in YAML files (not *.py) that do not show up in the autocompletion list.

Example files related to the gcloud api for bq that do not appear in the completion:

find $GCLOUD_PATH/lib/surface/bq/tables
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables/delete.yaml
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables/__init__.py
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables/copy.py
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables/__pycache__
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables/__pycache__/__init__.cpython-39.pyc
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables/__pycache__/copy.cpython-39.pyc
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables/show_rows.yaml
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables/describe.yaml
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables/list.yaml
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables/create.yaml
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables/insert.yaml
/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/lib/surface/bq/tables/update.yaml