geiser software package provides Transition Package, geiser to elpa-geiser, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install geiser
geiser is installed in your system.
Make ensure the geiser package were installed using the commands given below,
$ sudo dpkg-query -l | grep geiser *
You will get with geiser package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Lisp |
| Package | geiser |
| Version | 0.8.1-1 |
| Description | Transition Package, geiser to elpa-geiser |
| Sub Section | Lisp |