db.define_table('test_pic',
    Field('picture', 'upload')
)

def reupload_pic():
    form = SQLFORM(db.test_pic,  1, upload=URL(r=request,
f='download'))
    if form.accepts(request.vars, session):
        response.flash = 'ok'
    return dict(form=form)

I specify parameter  'upload' to show submited picture.
record 1 is a girl's picture.

when  visit reupload_pic, webpage shows picture correctly, it is a
girl's picture. however, if I change it to a boy's picture and submit
the form, picture shown dosen't change, it is still the girl's
picture . when visit the url again, it is ok.


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