def connect(self): 
        try:
            self.connection = pymongo.Connection(self.host, self.port)
            self.db = self.connection[self.name]
        except AutoReconnect:
            raise DatabaseException("It's not possible connect to the database")
def forums():
    categories = Category.query.order_by(Category.position.asc()).all()
    return render_template("management/forums.html", categories=categories)