diff --git a/django/template/base.py b/django/template/base.py index 12cfa1eb22..9bd303b576 100644 --- a/django/template/base.py +++ b/django/template/base.py @@ -858,8 +858,9 @@ class Variable: engine = Engine.get_default() warnings.warn( - f"Double-dot lookup (e.g., '{{{{ {var} }}}}') in template {engine.current_template_name}[{self.lineno}] " - "is deprecated.", + "Double-dot lookup (e.g. '%s') in template %s[%d]" + " is deprecated." + % (var, engine.current_template_name, self.lineno), RemovedInDjango61Warning, stacklevel=2, )