old_contents: # coding: utf-8
  
  from flask import Blueprint
  
  api = Blueprint(
      'api',
      __name__,
      subdomain='api',
      template_folder = 'templates',
      static_folder = 'static'
  )
  from . import authentication, users, comments, shares, users, find, likes,blog, login, signup
  
  
  from . import authentication, users, comments, shares, users, find, \
          likes, signup, login, profile   
  
new_contents: # coding: utf-8
  
  from flask import Blueprint
  
  api = Blueprint(
      'api',
      __name__,
      subdomain='api',
      template_folder = 'templates',
      static_folder = 'static'
  )
  
  
  from . import authentication, users, comments, shares, users, find, \
          likes, signup, login, profile, blog
  
subject: Update __init__.py