The _fill_states() method returns a list of strings, but the type
annotation incorrectly specified str. Update the annotation to
list[str] to match the actual return value.

Signed-off-by: Wander Lairson Costa <redacted>
Reviewed-by: Gabriele Monaco <gmonaco@redhat.com>
---
 tools/verification/rvgen/rvgen/ltl2k.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/verification/rvgen/rvgen/ltl2k.py b/tools/verification/rvgen/rvgen/ltl2k.py
index b8ac584fe2504..81fd1f5ea5ea2 100644
--- a/tools/verification/rvgen/rvgen/ltl2k.py
+++ b/tools/verification/rvgen/rvgen/ltl2k.py

@@ -75,7 +75,7 @@ class ltl2k(generator.Monitor):
         if not self.name:
             self.name = Path(file_path).stem
 
-    def _fill_states(self) -> str:
+    def _fill_states(self) -> list[str]:
         buf = [
             "enum ltl_buchi_state {",
         ]

-- 
2.53.0