No, the withdrawal agreement enacted today is merely a staging post in the long journey to a Brexit resolution, marking the beginning of the transition period one which the finer details of a trade agreement will be negotiated. During this period the UK will continue to abide by EU rules despite no longer being a member.
Given the complexity of the final trade deal, it is unlikely that it will be completed by the 2020 deadline, with the prospect of a “No Deal 2.0” still alive. However, five-years of Tory Government with a significant majority in the House, should finally allow this issue to be resolved.