Merge pull request #15421 from pllim/fix-iers-url-v5.3.x

MNT: Replace IETF_LEAP_SECOND_URL with working url for v5.3.x
astropy · Oct 3, 2023 · 569f5f2 · 569f5f2
2 parents b43ac58 + fb4ca6a
commit 569f5f2
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diff --git a/astropy/utils/iers/iers.py b/astropy/utils/iers/iers.py
@@ -75,7 +75,7 @@
 # LEAP SECONDS default file name, URL, and alternative format/URL
 IERS_LEAP_SECOND_FILE = get_pkg_data_filename("data/Leap_Second.dat")
 IERS_LEAP_SECOND_URL = "https://hpiers.obspm.fr/iers/bul/bulc/Leap_Second.dat"
-IETF_LEAP_SECOND_URL = "https://www.ietf.org/timezones/data/leap-seconds.list"
+IETF_LEAP_SECOND_URL = "https://data.iana.org/time-zones/data/leap-seconds.list"
 
 # Status/source values returned by IERS.ut1_utc
 FROM_IERS_B = 0

diff --git a/docs/changes/utils/15421.api.rst b/docs/changes/utils/15421.api.rst
@@ -0,0 +1,2 @@
+Replaced the URL of ``IETF_LEAP_SECOND_URL`` because the original is now defunct
+and IETF now defers to IANA for such look-up.