Currently inspection of an object with a complex key (e.g. with a dot) returns something that is not syntactically valid. See https://github.com/chaijs/chai/pull/1401#issuecomment-858534181 ```js loupe.inspect({'a.b': 1}) ``` returns `{ a.b: 1 }` but we would prefer `{ 'a.b': 1}`