def render_subject(self, context):
rendered = self.subject_template.render(unescape(context))<EOL>return rendered.strip()<EOL>
Renders the message subject for the given context.

The context data is automatically unescaped to avoid rendering HTML
entities in ``text/plain`` content.

:param context: The context to use when rendering the subject template.
:type context: :class:`~django.template.Context`
:returns: A rendered subject.
:rtype: :class:`str`