We can assert the variable is defined, that may be, the required enter binding was really supplied by the calling context: possible for making a subclass on the constructed-in property decorator that behaves in another way, but (citation required) I have gotten the effect googling which the builders had a https://propertyingurugram.in/dlf-mulls-auction-bid-for-ambience-mall-with-base-price-of-366-million-sources/