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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def token_new():
 """Create new token."""

    form = TokenForm(request.form)
    form.scopes.choices = current_oauth2server.scope_choices()

    if form.validate_on_submit():
        t = Token.create_personal(
            form.data['name'], current_user.get_id(), scopes=form.scopes.data
        )
        db.session.commit()
        session['show_personal_access_token'] = True
        return redirect(url_for(".token_view", token_id=t.id))

    if len(current_oauth2server.scope_choices()) == 0:
        del(form.scopes)

    return render_template(
        "invenio_oauth2server/settings/token_new.html",
        form=form,
    )