Using the collecting variable of iterable unpacking causes "used before definition" error #461

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1. jakebailey commented on Dec 6, 2018

   

   Jake Bailey (jakebailey)

   on Dec 6, 2018

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   My guess (without looking too hard) is that we aren't handling this style of unpack properly (see #412, #403), and we're considering it to be a use like it's a mul or a args/kwargs unpack.
2. md2perpe commented on Dec 13, 2018

   

   Per Persson (md2perpe)

   on Dec 13, 2018

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   I got the same error in a loop construction like

   for first, *rest in data:
       use(first, rest)

   Here, rest gets reported as used before definition on the use line.
3. Karthik Nadig (karthiknadig)

   assigned

   Jake Bailey (jakebailey)

   on Jan 9, 2019
4. Mikhail Arkhipov (MikhailArkhipov)

   closed this as completedin #693on Mar 14, 2019