old_contents: from threading import Thread
  from flask.ext.mail import Message
  from flask import render_template, current_app
  from . import mail
  from .decorators import async
  
  
  @async
  def send_async_email(app, msg):
      with app.app_context():
          mail.send(msg)
  
  def send_email(to, subject, template, **kwargs):
      app = current_app._get_current_object()
      msg = Message(app.config['MAIL_SUBJECT_PREFIX'] + subject, sender=app.config['MAIL_SENDER'], recipients=[to])
      msg.body = render_template(template + '.txt', **kwargs)
      msg.html = render_template(template + '.html', **kwargs)
      thr = Thread(target=send_async_email, args=[app, msg])
      thr.start()
      return thr
  
new_contents: from threading import Thread
  from flask.ext.mail import Message
  from flask import render_template, current_app
  from . import mail
  from .decorators import async
  
  
  @async
  def send_async_email(app, msg):
      with app.app_context():
          mail.send(msg)
  
  def send_email(to, subject, template, **kwargs):
      app = current_app._get_current_object()
      msg = Message(app.config['MAIL_SUBJECT_PREFIX'] + subject, sender=app.config['MAIL_SENDER'], recipients=[to])
      msg.body = render_template(template + '.txt', **kwargs)
      msg.html = render_template(template + '.html', **kwargs)
      thr = Thread(target=send_async_email, args=[app, msg])
      thr.start()
      return thr
      
      
  def follower_notification(followed, follower):
      send_email("Socialite %s is now following you!" %s follower.nickname, 
                  current_app.config['ADMIN'], 
                  [followed.email], 
                  render_template("mail/follower_email.txt"),
                  render_template("mail/follower_email.html"))
  
subject: Update email.py