Use blocktrans 'with' clause to pass literal code/commands as variables,
preventing them from being translated. This fixes issues where commands
like 'manage.py collectstatic' were incorrectly translated to nonsensical
strings in non-English locales.
Updated templates:
- media_failure.html: manage.py collectstatic
- programming_error.html: python3 manage.py migrate, SELECT VERSION()
- import_error.html: requirements.txt, local_requirements.txt, pip freeze