[web2py] Double form in browser

[TheMexican]

I am a new user and so far I love web2py. I am going through the
tutorial and I encounter my first issue.
I have an application called tutorial and a  method in the default
controller 'default.py':

def first():
    form = FORM(INPUT(_name="thename", requires=IS_NOT_EMPTY()),
                INPUT(_type="submit"))

    if form.accepts(request.vars, session):
        session.thename = form.vars.thename
        redirect(URL('second'))

    return dict(form=form)



Then I have the view default/first.html

{{extend 'layout.html'}}
<h1>This is the default/first.html template</h1>
{{=form}}
{{=BEAUTIFY(response._vars)}}


When I view the page http://127.0.0.1:8000/tutorial/default/first

I see the form twice.

Any suggestions of what I am doing wrong??