Andre Roberge <andre.robe...@gmail.com> added the comment:
I understand.
I reported this issue when one of my newest tests failed with Python 3.10 and
3.11. Actually, using friendly-traceback, using the location of the exception
as indicated by cPython 3.10 and 3.11, here's part of the explanation it gives:
The following lines of code would not cause any `SyntaxError`:
sum + [i for i in [1, 2, 3] if i%2==0]
sum - [i for i in [1, 2, 3] if i%2==0]
sum * [i for i in [1, 2, 3] if i%2==0]
sum, [i for i in [1, 2, 3] if i%2==0]
Note: these are just some of the possible choices and that
some of them might raise other types of exceptions.
So, I agree with you that suggesting a comma would be appropriate. (I also
miss the suggestion of inserting an equal sign above).
Meanwhile, with prior versions of cPython, here's the suggestion that was
offered:
You used square brackets, `[...]` instead of parentheses.
Write the following instead:
sum(i for i in [1, 2, 3] if i%2==0)
So, since using the suggestion currently by cPython (3.10, 3.11), one could get
a syntactically valid statement by adding a comma, I cannot really argue that
this is a bug. (Sorry, I should have checked in more details before.)
Therefore, I agree that this issue should probably be closed ... unless you
find that suggesting a missing comma while there are many other possible
operators that could be inserted could be considered as misleading.
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue45801>
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