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cpython/Parser
Miss Islington (bot) 55c8923524 bpo-40334: Produce better error messages for non-parenthesized genexps (GH-20153)
The error message, generated for a non-parenthesized generator expression
in function calls, was still the generic `invalid syntax`, when the generator expression wasn't appearing as the first argument in the call. With this patch, even on input like `f(a, b, c for c in d, e)`, the correct error message gets produced.
(cherry picked from commit ae14583302)

Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
2020-05-21 18:14:55 -07:00
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