old_contents: ﻿from django import template
  
  register = template.Library()
  
  @register.simple_tag(name='site_version_info')
  def site_version_info():
      return 'v0.0025 at 11.06.2020'
  
new_contents: ﻿from django import template
  
  register = template.Library()
  
  @register.simple_tag(name='site_version_info')
  def site_version_info():
      return 'v0.0026 at 15.06.2020'
  
subject: Update version_info.py