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bpo-40715: Reject dict unpacking on dict comprehensions (GH-20292)

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Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
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Batuhan Taskaya 2020-05-22 01:39:56 +03:00 • committed by GitHub
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commit b8a65ec1d3
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3 changed files with 308 additions and 208 deletions
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Lib/test/test_unpack_ex.py
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@ -158,6 +158,11 @@ List comprehension element unpacking
...
SyntaxError: iterable unpacking cannot be used in comprehension
>>> {**{} for a in [1]}
Traceback (most recent call last):
...
SyntaxError: dict unpacking cannot be used in dict comprehension
# Pegen is better here.
# Generator expression in function arguments