As Mick Mentions in his remark, "to deem in shape" is just a little outdated-fashioned but not, I believe, ample that you mustn't learn the way to make use of the idiom. I wouldn't call it "Victorian" English, as it is a phrase that sees typical use even today. In https://maps.app.goo.gl/JU7hwR6FT2pvRxCo6