[ruff] Handle empty t-strings in unnecessary-empty-iterable-within-deque-call (RUF037)
#20045
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…-deque-call` (`RUF037`) (astral-sh#20045) Adds a method to `TStringValue` to detect whether the t-string is empty _as an iterable_. Note the subtlety here that, unlike f-strings, an empty t-string is still truthy (i.e. `bool(t"")==True`). Closes astral-sh#19951
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Adds a method to
TStringValueto detect whether the t-string is empty as an iterable. Note the subtlety here that, unlike f-strings, an empty t-string is still truthy (i.e.bool(t"")==True).Closes #19951