fbv to update profile user

@login_required
def account_profiles_view(request, slug):
    user = request.user

    # No se si esta consulta al modelo sea necesaria puesto
    # que en el anterior user = request.user ya viene la instancia del
    # usuario que envia la petición
    user = get_object_or_404(User, username = slug)
    # user = User.objects.get(username = slug)

    _forms = []
    if user.is_student:
        profile = user.get_student_profile()

        _forms.append(forms.StudentProfileForm(instance=user))
    if user.is_professor:
        profile = user.get_professor_profile()
        _forms.append(forms.ProfessorProfileForm(instance=user))
    if user.is_executive:
        profile = user.get_executive_profile()
        _forms.append(forms.ExecutiveProfileForm(instance=user))

    if request.method == 'POST':
        formularios =[Form(data = request.POST) for Form in _forms]
        if all([form.is_valid() for form in formularios]):
            for form in formularios:
                profile = form.save(commit=False)
                profile.user = user
                profile.save()
            return redirect('dashboard')
    else:
        formularios = [Form() for Form in _forms] # aqui se genera el error
    data = {form.__class__.__name__.__str__().lower(): form for form in formularios}
    data['userprofile'] = profile
    return render(request, 'accounts/profile_form.html', data,)


# Pero el error que obtengo es esto, diciendo que el primer form instanciado
# no es invocable desde allí ¿?

File "/home/bgarcial/workspace/ihost_project/accounts/views.py", line 238, in account_profiles_view
    formularios = [Form() for Form in _forms]
  File "/home/bgarcial/workspace/ihost_project/accounts/views.py", line 238, in <listcomp>
    formularios = [Form() for Form in _forms]
TypeError: 'StudentProfileForm' object is not callable
[11/Apr/2017 14:27:26] "GET /accounts/profile/zidane/ HTTP/1.1" 500 86728