From fcf8892abc5bd9ff92d09536397eabe6e801947d Mon Sep 17 00:00:00 2001
From: Matthieu Darbois <mayeut@users.noreply.github.com>
Date: Sat, 3 Jul 2021 19:07:52 +0200
Subject: [PATCH] chore: update packaging dev requirement (#746)

* chore: update packaging dev requirement

Requires packaging>=21.0
This allows to simplify a bit `bin/update_pythons.py` with regards to typing.

* update packaging dev requirement for pre-commit
---
 .pre-commit-config.yaml | 2 +-
 bin/update_pythons.py   | 6 +++---
 setup.py                | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index bf17bc85..153ba6c2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -57,7 +57,7 @@ repos:
     files: ^(bin|docs)/.*py$
     args: ["--python-version=3.7", "--scripts-are-modules"]
     additional_dependencies:
-      - packaging
+      - packaging>=21.0
       - rich
       - types-jinja2
       - types-pyyaml
diff --git a/bin/update_pythons.py b/bin/update_pythons.py
index 4eacb195..457d63a9 100755
--- a/bin/update_pythons.py
+++ b/bin/update_pythons.py
@@ -6,7 +6,7 @@ import copy
 import difflib
 import logging
 from pathlib import Path
-from typing import Any, Iterable, Union, cast
+from typing import Any, Union
 
 import click
 import requests
@@ -86,7 +86,7 @@ class WindowsVersions:
         # Specifier.filter selects all non pre-releases that match the spec,
         # unless there are only pre-releases, then it selects pre-releases
         # instead (like pip)
-        unsorted_versions = cast(Iterable[Version], spec.filter(self.version_dict))
+        unsorted_versions = spec.filter(self.version_dict)
         versions = sorted(unsorted_versions, reverse=True)
 
         log.debug(f"Windows {self.arch} {spec} has {', '.join(str(v) for v in versions)}")
@@ -201,7 +201,7 @@ class CPythonVersions:
     ) -> ConfigMacOS | None:
 
         # see note above on Specifier.filter
-        unsorted_versions = cast(Iterable[Version], spec.filter(self.versions_dict))
+        unsorted_versions = spec.filter(self.versions_dict)
         sorted_versions = sorted(unsorted_versions, reverse=True)
 
         if version <= Version("3.8.9999"):
diff --git a/setup.py b/setup.py
index b876c789..bcd7324b 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@ extras = {
         "pyyaml",
         "requests",
         "rich>=9.6",
-        "packaging>=20.8",
+        "packaging>=21.0",
     ],
     "mypy": [
         "mypy>=0.901",