{
"_extensions": ["super.SuperExtension"]
}

from jinja2 import nodes
from jinja2.ext import Extension


class SuperExtension(Extension):
    # a set of names that trigger the extension.
    # tags = {'cache'}

    def __init__(self, environment):
        super(SuperExtension, self).__init__(environment)

        # add the defaults to the environment
        environment.extend(
            keep_trailing_newline=True
        )