# File lib/sass/tree/visitors/convert.rb, line 100
  def visit_directive(node)
    res = "#{tab_str}#{interp_to_src(node.value)}"
    res.gsub!(/^@import \#\{(.*)\}([^}]*)$/, '@import \1\2');
    return res + "#{semi}\n" unless node.has_children
    res + yield + "\n"
  end