python - Cannot override default BooleanField with FieldList FormField on wtforms -

i using wtforms , flask , running issues overriding default value boolean field. field subform shown below. not entirely sure issue is. when try , create subform value false , render subform default overrode when sub form not.

class user(db.model):     __tablename__ = 'users'     include = db.column(db.boolean)  class subform(form):     include = booleanfield('include', default=true)  class parentform(form):     sub = fieldlist(formfield(subform))  @app.route('/') def index():     if form.validate_on_submit():         pass     users = user.query.all()     fields = [subform(include=user.include) user in users]     form = parentform(sub=fields)     return render_template('index.html', form=form) 

index.html

{% block content %} <div>   <form action="" method="post" class="form" role="form">     {% form.csrf_token %}     <ul>       {% field in form.sub %}       {% field.form.csrf_token %}       <li>{% field.form.include %}</li>       {% endfor %}     </ul>   </form> </div> {% endblock %} 

edit

fieldlist not booleanfields apparently. in instance using formfield. http://wtforms.readthedocs.io/en/latest/fields.html#wtforms.fields.fieldlist