#1049 undefined variable from import

[maho5]

I have following import:

#v+
import db.sqa.conn as conn
#v-

and following line in code is marged as error with message "undefined variable from import: conn"

#v+
qel = conn.session.query(Entry).\ filter(Entry.date>=self.day).\ filter(Entry.date<self.day + timedelta(days=1)).\ order_by(Entry.date)
#v-

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