diff --git a/tests/test_jl.py b/tests/test_jl.py
index 9251f83..0939427 100644
--- a/tests/test_jl.py
+++ b/tests/test_jl.py
@@ -12,7 +12,7 @@
 
 def get_max_chunk_size(
     batch_size: int,
-) -> tuple[int, list]:
+):
     max_chunk_size = np.iinfo(np.uint32).max // batch_size
     return max_chunk_size