[Python-ideas] Style for multi-line generator expressions

[Clay Sweetser]

PEP 8 currently lacks any suggestions for how multi-line generator
expressions and list comprehensions should be formatted. In the absence of
any official style suggestion (that I can find), I suggest the style used
the most in the standard library.

[<expression>
 for <target_list> in <container>
 if <condition>]

Note, lines could still be combined where it makes sense, eg, the first two
lines could be combined if they aren't too long.

-- 
"Evil begins when you begin to treat people as things." - Terry Pratchett
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