class Sass::Importers::Filesystem

def _find(dir, name, options)
  full_filename, syntax = find_real_file(dir, name)
  return unless full_filename && File.readable?(full_filename)
  options[:syntax] = syntax
  options[:filename] = full_filename
  options[:importer] = self
  Sass::Engine.new(File.read(full_filename), options)
end