old_contents: """A small django app around sendgrid and its webhooks"""
  
  __version__ = '0.1.0'
  
new_contents: """A small django app around sendgrid and its webhooks"""
  
  from utils import SendgridEmailMessage, SendgridEmailMultiAlternatives
  from models import Email
  from signals import email_event
  
  __version__ = '0.1.0'
  __all__ = ('SendgridEmailMessage', 'SendgridEmailMultiAlternatives', 'Email', 'email_event')
  
subject: add __all__ parameter to main module