gnu: python-packaging: Update to 20.4.

* gnu/packages/python-xyz.scm (python-packaging): Update to 20.4.
[source]: Remove patch that has been merged upstream.
* gnu/packages/patches/python-packaging-test-arch.patch: Remove file.
* gnu/local.mk (dist_patch_DATA): Apply removal.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu/local.mk

@@ -1527,7 +1527,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/python-mox3-python3.6-compat.patch	\
   %D%/packages/patches/python-testtools.patch			\
   %D%/packages/patches/python-onnx-use-system-googletest.patch	\
-  %D%/packages/patches/python-packaging-test-arch.patch		\
   %D%/packages/patches/python2-parameterized-docstring-test.patch	\
   %D%/packages/patches/python-paste-remove-timing-test.patch	\
   %D%/packages/patches/python-pycrypto-CVE-2013-7459.patch	\

gnu/packages/patches/python-packaging-test-arch.patch

@@ -1,65 +0,0 @@
-Fix tests that are "hard coded" to expect x86_64 output by mocking the platform interface.
-
-Submitted upstream:
-https://github.com/pypa/packaging/pull/176
-
-diff --git a/tests/test_tags.py b/tests/test_tags.py
-index 1eacf68..0a3f1b4 100644
---- a/tests/test_tags.py
-+++ b/tests/test_tags.py
-@@ -435,37 +435,43 @@ class TestManylinuxPlatform:
-         linux_platform = list(tags._linux_platforms(is_32bit=False))
-         assert linux_platform == ["linux_x86_64"]
- 
--    def test_linux_platforms_manylinux1(self, monkeypatch):
-+    def test_linux_platforms_manylinux1(self, is_x86, monkeypatch):
-         monkeypatch.setattr(
-             tags, "_is_manylinux_compatible", lambda name, _: name == "manylinux1"
-         )
--        if platform.system() != "Linux":
-+        if platform.system() != "Linux" or not is_x86:
-             monkeypatch.setattr(distutils.util, "get_platform", lambda: "linux_x86_64")
-+            monkeypatch.setattr(platform, "machine", lambda: "x86_64")
-         platforms = list(tags._linux_platforms(is_32bit=False))
--        assert platforms == ["manylinux1_x86_64", "linux_x86_64"]
-+        arch = platform.machine()
-+        assert platforms == ["manylinux1_" + arch, "linux_" + arch]
- 
--    def test_linux_platforms_manylinux2010(self, monkeypatch):
-+    def test_linux_platforms_manylinux2010(self, is_x86, monkeypatch):
-         monkeypatch.setattr(
-             tags, "_is_manylinux_compatible", lambda name, _: name == "manylinux2010"
-         )
--        if platform.system() != "Linux":
-+        if platform.system() != "Linux" or not is_x86:
-             monkeypatch.setattr(distutils.util, "get_platform", lambda: "linux_x86_64")
-+            monkeypatch.setattr(platform, "machine", lambda: "x86_64")
-         platforms = list(tags._linux_platforms(is_32bit=False))
--        expected = ["manylinux2010_x86_64", "manylinux1_x86_64", "linux_x86_64"]
-+        arch = platform.machine()
-+        expected = ["manylinux2010_" + arch, "manylinux1_" + arch, "linux_" + arch]
-         assert platforms == expected
- 
--    def test_linux_platforms_manylinux2014(self, monkeypatch):
-+    def test_linux_platforms_manylinux2014(self, is_x86, monkeypatch):
-         monkeypatch.setattr(
-             tags, "_is_manylinux_compatible", lambda name, _: name == "manylinux2014"
-         )
--        if platform.system() != "Linux":
-+        if platform.system() != "Linux" or not is_x86:
-             monkeypatch.setattr(distutils.util, "get_platform", lambda: "linux_x86_64")
-+            monkeypatch.setattr(platform, "machine", lambda: "x86_64")
-         platforms = list(tags._linux_platforms(is_32bit=False))
-+        arch = platform.machine()
-         expected = [
--            "manylinux2014_x86_64",
--            "manylinux2010_x86_64",
--            "manylinux1_x86_64",
--            "linux_x86_64",
-+            "manylinux2014_" + arch,
-+            "manylinux2010_" + arch,
-+            "manylinux1_" + arch,
-+            "linux_" + arch,
-         ]
-         assert platforms == expected
- 

gnu/packages/python-xyz.scm

@@ -15974,17 +15974,14 @@ several utilities, as well as an API for building localization tools.")
 (define-public python-packaging
   (package
     (name "python-packaging")
-    (version "20.0")
+    (version "20.4")
     (source
       (origin
         (method url-fetch)
         (uri (pypi-uri "packaging" version))
-        ;; XXX: The URL in the patch file is wrong, it should be
-        ;; <https://github.com/pypa/packaging/pull/256>.
-        (patches (search-patches "python-packaging-test-arch.patch"))
         (sha256
          (base32
-          "1y2ip3a4ykkpgnwgn85j6hkspcl0cg3mzms97f40mk57vwqq67gy"))))
+          "1y3rc1ams1i25calk6b9jf1gl85ix5a23a146swjvhdr8x7zfms3"))))
     (build-system python-build-system)
     (arguments
      `(#:phases (modify-phases %standard-phases