--- a/hgext/fsmonitor/pywatchman/__init__.py	Mon Sep 16 15:36:38 2024 +0200
+++ b/hgext/fsmonitor/pywatchman/__init__.py	Mon Sep 16 15:36:44 2024 +0200
@@ -26,6 +26,8 @@
 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+from __future__ import annotations
+
 import inspect
 import math
 import os