style(flagd): apply ruff format to DISABLED guard

Signed-off-by: Todd Baert <todd.baert@dynatrace.com>

Author: toddbaert

providers/openfeature-provider-flagd/src/openfeature/contrib/provider/flagd/resolvers/grpc.py

@@ -434,7 +434,10 @@ def _resolve(  # noqa: PLR0915 C901
         # When no default variant is configured, the server returns an empty/zero proto
         # value with reason=DEFAULT. For DISABLED flags the server omits the variant too.
         # In both cases, return the caller's code default value.
-        if response.reason in (Reason.DEFAULT, Reason.DISABLED) and not response.variant:
+        if (
+            response.reason in (Reason.DEFAULT, Reason.DISABLED)
+            and not response.variant
+        ):
             value = default_value
 
         # Got a valid flag and valid type. Return it.