old_contents: import json
  from django import template
  from django.template.defaultfilters import stringfilter
  
  register = template.Library()
  
  @register.filter
  @stringfilter
  def jsonify(value):
      return json.dumps(value)[1:-1]
  
new_contents: import json
  from django import template
  from django.template.defaultfilters import stringfilter
  
  register = template.Library()
  
  @register.filter
  @stringfilter
  def jsonify(value):
      return json.dumps(value, ensure_ascii=False)[1:-1]
  
subject: Update perseus_tags.py