Don't fall back on bundled zoneinfo database

Closes: #1003044

debian/changelog

+python-dateutil (2.8.2-2) unstable; urgency=medium
+
+  * Team upload.
+
+  [ Arnout Vandecappelle ]
+  * Don't fall back on bundled zoneinfo database (Closes: #1003044)
+
+ -- Felix Geyer <fgeyer@debian.org>  Fri, 17 Mar 2023 17:05:45 +0100
+
 python-dateutil (2.8.2-1) unstable; urgency=medium
 
   * Team upload

debian/patches/Remove_Zoneinfo_Tarball.patch

-From: =?utf-8?q?Guido_G=C3=BCnther?= <agx@sigxcpu.org>
+From 49f1a86aa7989e497114437dfef8ad51d5b413fe Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Guido=20G=C3=BCnther?= <agx@sigxcpu.org>
 Date: Sat, 27 Sep 2014 20:52:15 +0200
-Subject: Remove Zoneinfo Tarball
+Subject: [PATCH] Remove Zoneinfo Tarball
 
 ---
  MANIFEST.in                          | 1 +
  dateutil/test/test_tz.py             | 2 ++
+ dateutil/tz/tz.py                    | 4 ----
  python_dateutil.egg-info/SOURCES.txt | 3 +--
  setup.cfg                            | 3 ---
- 4 files changed, 4 insertions(+), 5 deletions(-)
+ 5 files changed, 4 insertions(+), 9 deletions(-)
 
 diff --git a/MANIFEST.in b/MANIFEST.in
 index d4d9f32..3e8b3fb 100644
@@ -19,7 +21,7 @@ index d4d9f32..3e8b3fb 100644
  global-exclude *.py[co]
 +exclude dateutil/zoneinfo/dateutil-zoneinfo.tar.gz
 diff --git a/dateutil/test/test_tz.py b/dateutil/test/test_tz.py
-index 6cd8ea0..042f28e 100644
+index e5e4772..fa84872 100644
 --- a/dateutil/test/test_tz.py
 +++ b/dateutil/test/test_tz.py
 @@ -1193,6 +1193,7 @@ def test_gettz_weakref():
@@ -38,8 +40,23 @@ index 6cd8ea0..042f28e 100644
      def testPickleZoneFileGettz(self):
          zoneinfo_file = zoneinfo.get_zonefile_instance()
          tzi = zoneinfo_file.get('America/New_York')
+diff --git a/dateutil/tz/tz.py b/dateutil/tz/tz.py
+index c67f56d..e350cdb 100644
+--- a/dateutil/tz/tz.py
++++ b/dateutil/tz/tz.py
+@@ -1650,10 +1650,6 @@ def __get_gettz():
+                                 # UnicodeEncodeError is for Python 2.7 compat
+                                 tz = None
+ 
+-                        if not tz:
+-                            from dateutil.zoneinfo import get_zonefile_instance
+-                            tz = get_zonefile_instance().get(name)
+-
+                         if not tz:
+                             for c in name:
+                                 # name is not a tzstr unless it has at least
 diff --git a/python_dateutil.egg-info/SOURCES.txt b/python_dateutil.egg-info/SOURCES.txt
-index c0d2a0f..ae4d43f 100644
+index c8e5497..a0ccdca 100644
 --- a/python_dateutil.egg-info/SOURCES.txt
 +++ b/python_dateutil.egg-info/SOURCES.txt
 @@ -60,7 +60,6 @@ dateutil/tz/_factories.py
@@ -58,7 +75,7 @@ index c0d2a0f..ae4d43f 100644
 \ No newline at end of file
 +requirements/3.3/requirements-dev.txt
 diff --git a/setup.cfg b/setup.cfg
-index a5fe172..330b7cb 100644
+index 33283f9..f815c88 100644
 --- a/setup.cfg
 +++ b/setup.cfg
 @@ -45,9 +45,6 @@ test_suite = dateutil.test