readme_base.jinja

| Image  | Info |
| :----- | :--- |
{%- for py in pythons %}
| {{img}}{{py}} | [![](https://img.shields.io/docker/pulls/pymor/{{img}}{{py}}.svg)](https://hub.docker.com/repository/docker/pymor/{{img}}{{py}} "{{image_dir}} mixin") |
{%- endfor %}
{# extra newline #}