From: Raymond Hettinger Date: Tue, 25 Jun 2019 02:39:22 +0000 (+0200) Subject: bpo-36546: Mark first argument as position only (GH-14363) X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1791128677e71f3b93cae4bbed66ac3c6e4b5110;p=python bpo-36546: Mark first argument as position only (GH-14363) --- diff --git a/Lib/statistics.py b/Lib/statistics.py index 5be70e5ebf..79b65a2918 100644 --- a/Lib/statistics.py +++ b/Lib/statistics.py @@ -603,7 +603,7 @@ def multimode(data): # options make for easier choices and that external packages can be # used for anything more advanced. -def quantiles(dist, *, n=4, method='exclusive'): +def quantiles(dist, /, *, n=4, method='exclusive'): '''Divide *dist* into *n* continuous intervals with equal probability. Returns a list of (n - 1) cut points separating the intervals. diff --git a/Misc/NEWS.d/next/Library/2019-06-25-05-07-48.bpo-36546.RUcxaK.rst b/Misc/NEWS.d/next/Library/2019-06-25-05-07-48.bpo-36546.RUcxaK.rst new file mode 100644 index 0000000000..f6829fb172 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2019-06-25-05-07-48.bpo-36546.RUcxaK.rst @@ -0,0 +1,4 @@ +The *dist* argument for statistics.quantiles() is now positional only. The +current name doesn't reflect that the argument can be either a dataset or a +distribution. Marking the parameter as positional avoids confusion and +makes it possible to change the name later.