Work on demo

demo/db.py

@@ -1,7 +1,7 @@
 import sqlalchemy as sa
 
 
-metadata = sa.Metadata()
+metadata = sa.MetaData()
 
 
 users = sa.Table(

demo/db_auth.py

@@ -1,7 +1,7 @@
 import asyncio
 import sqlalchemy as sa
 
-from aiohttp_security.authorization import AbstractAuthorizationPolicy
+from aiohttp_security.abc import AbstractAuthorizationPolicy
 
 from . import db
 

demo/handlers.py

@@ -4,7 +4,7 @@ import functools
 from aiohttp import web
 
 
-from aiohttp_security import remember, forbid, authorized_user_id, permits
+from aiohttp_security import remember, forget, authorized_userid, permits
 
 
 def require(permission):
@@ -46,7 +46,7 @@ class Web:
     def protected(self, request):
         pass
 
-    @asyncio.cororutine
+    @asyncio.coroutine
     def configure(self, app):
         app.add_route('GET', '/', self.index, name='index')
         app.add_route('POST', '/login', self.login, name='login')

demo/main.py

@@ -47,6 +47,7 @@ def finalize(srv, app, handler):
     yield from app.finish()
 
 
+def main():
     loop = asyncio.get_event_loop()
     srv, app, handler = loop.run_until_complete(init(loop))
     try: