actual_session deprecated in 3.7

hooks.py

@@ -20,8 +20,7 @@ from cubicweb.server import hook
 
 def fix_ownership(session, eid, email):
     sender = email.senderaddr.email_of
-    if (sender and sender.e_schema == 'CWUser' and
-        sender.eid != session.actual_session().user.eid):
+    if sender and sender.e_schema == 'CWUser' and sender.eid != session.user.eid:
         # match a user which is not the session's user, set owned_by / created_by
         session.execute('SET X owned_by U WHERE X eid %(x)s, U eid %(u)s',
                         {'x': eid, 'u': sender.eid})