- py_version_xyz=$(grep "^${py_version_xy//[a-zA-Z]/}\(\..*\)\?\.[0-9]\+$" \
- "/tmp/.pyenv_versions" | sort -V | tail -n 1;)
- if [[ ! -n ${py_version_xyz} ]]; then
+ py_version_xyz=$(grep "^${py_version_xy//[a-zA-Z]/}" "/tmp/.pyenv_versions" |
+ sort -V | tail -n 1;)
+ if [[ -z ${py_version_xyz} ]]; then