old_contents: from .base import BaseSessionInterface
  from .cookie_session_interface import CookieSessionInterface
  from .in_memory_session_interface import InMemorySessionInterface
  from .redis_session_interface import RedisSessionInterface
  
  __version__ = '0.1.0.dev0'
  
new_contents: from .base import BaseSessionInterface, get_request_container
  from .cookie_session_interface import CookieSessionInterface
  from .in_memory_session_interface import InMemorySessionInterface
  from .redis_session_interface import RedisSessionInterface
  
  __version__ = '0.1.0.dev0'
  
subject: Update __init__.py