Anytimerealsoonnow.
If they do it, it will only be because the trans-national oil and gas industry will have switched its view of a Putin-ruled petro-state from asset to liability.
Two major regional illiberal democracies (Turkey and Poland) have just made that calculation in political terms. It will take a little more time and more evidence that the “sure thing” invasion has gone pear-shaped for the fossil fuels industry to change their views and give the bankers the green light.