Do you expect a extension till April,what would it be for, I wouldn't worry about any EU long term commitments if we are still in the EU in April 2020 as this is reaching crunch time. it's a good point you have made though, I would of been happy with a 2 yr extension but it will be far harder to win if the WA is bumped with 7 more yrs of EU commitments.
Not sure how we get to an extension to be honest, although I suspect April 2020 would be the final deadline for us with the EU for that reason, among the host of others.
Just was an example of the stuff which gets thrown up when we're this far into a place where the executive and the legislature are at total odds with each other over the powers of the executive being exercised - such as negotiating international agreements, and even when elections are held. The Speaker ruled that Cooper's Bill didn't need the government's permission to go to the Lords, even though it touched on spending powers and diplomacy, whereas that's harder to do if you're giving Johnson very specific directions (cos he's an untrustworthy sod) or playing about with election law. Just gives government room to delay and block, and delays in September/October risk any fixes coming too late to be of much use. May be something of nothing, just minded that one of the legislative experts who was raising all the issues (and explaining them) has been hired by Johnson.