On 21/02/2015 17:14, Antoine Pitrou wrote: > On Fri, 20 Feb 2015 14:05:11 +0000 > Brett Cannon <brett at python.org> wrote: >> On Thu Feb 19 2015 at 5:52:07 PM Serhiy Storchaka <storchaka at gmail.com> >> wrote: >> >>> Different patterns for TypeError messages are used in the stdlib: >>> >>> expected X, Y found >>> expected X, found Y >>> expected X, but Y found >>> expected X instance, Y found >>> X expected, not Y >>> expect X, not Y >>> need X, Y found >>> X is required, not Y >>> Z must be X, not Y >>> Z should be X, not Y >>> >>> and more. >>> >>> What the pattern is most preferable? >>> >> My preference is for "expected X, but found Y". > If we are busy nitpicking, why are we saying "found Y"? Nothing was > *found* by the callee, it just *got* an argument. > > So it should be "expected X, but got Y". > > Personally, I think the "but" is superfluous: the contradiction is > already implied, so "expected X, got Y" is terser and conveys the > meaning just as well. > > Regards > > Antoine. +1 Rob Cliffe
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