tools: ynl: check for membership with 'not in'

It is better to use 'not in' instead of 'not {element} in {collection}'
according to Ruff.

This is linked to Ruff error E713 [1]:

  Testing membership with {element} not in {collection} is more readable.

Link: https://docs.astral.sh/ruff/rules/not-in-test/
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Link: https://patch.msgid.link/20250909-net-next-ynl-ruff-v1-8-238c2bccdd99@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/tools/net/ynl/pyynl/ynl_gen_c.py b/tools/net/ynl/pyynl/ynl_gen_c.py
index c7fb8abfd65e5d7bdd0ee705aed65f9262431880..101d8ba9626f238a82cddd0bbc10bb4399e2ab22 100755 (executable)
--- a/tools/net/ynl/pyynl/ynl_gen_c.py
+++ b/tools/net/ynl/pyynl/ynl_gen_c.py
@@ -638,7 +638,7 @@ class TypeBitfield32(Type):
         return '.type = YNL_PT_BITFIELD32, '
 
     def _attr_policy(self, policy):
-        if not 'enum' in self.attr:
+        if 'enum' not in self.attr:
             raise Exception('Enum required for bitfield32 attr')
         enum = self.family.consts[self.attr['enum']]
         mask = enum.get_mask(as_flags=True)