Increase minimum Python version from Python 3.6/3.7 -> Python 3.9

We don't seem to have been consistent as to whether it was 3.6 or 3.7, but
we weren't testing it consistently anyway.

It feels too soon to go up to 3.10 unfortunately, but 3.6/3.7 are EOL and
3.8 is EOL next year, so let's do 3.9.

Signed-off-by: Sam James <sam@gentoo.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 3c343aabd..4525264c7 100755
--- a/setup.py
+++ b/setup.py
@@ -921,5 +921,5 @@ setup(
         "Programming Language :: Python :: 3",
         "Topic :: System :: Installation/Setup",
     ],
-    python_requires=">=3.6",
+    python_requires=">=3.9",
 )