With all the talk about finding alternative suppliers I assume in the long term it is on the list, but it needs quite some time to prepare for that. It's not just Nord Stream 1, there are also the Yamal–Europe pipeline through Belarus and the West-Siberian Pipeline through Ukraine.
It is not, gas is exempt from sanctions. I don't think the EU had much of a choice on that one. Their dependence on Russian energy is pretty significant.