Annotate with Any for Python 3.7 and 3.8.

y-scope · Feb 27, 2025 · f0e6773 · f0e6773
1 parent 351cc47
commit f0e6773
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/src/clp_logging/handlers.py b/src/clp_logging/handlers.py
@@ -312,12 +312,14 @@ def update(self, loglevel: int, log_timestamp_ms: int, log_fn: Callable[[str], N
         self.soft_timeout_thread.start()
 
 
-def _get_mutex_context_from_loglevel_timeout(
-    loglevel_timeout: Optional[CLPLogLevelTimeout],
-) -> AbstractContextManager[Optional[bool]]:
+def _get_mutex_context_from_loglevel_timeout(loglevel_timeout: Optional[CLPLogLevelTimeout]) -> Any:
     """
     Gets a mutual exclusive context manager for IR stream access.
 
+    The return type should be `AbstractContextManager[Optional[bool]]`, but it
+    is annotated as `Any` for backward compatibility, since the generic
+    `AbstractContextManager` is not available before Python 3.9 (#18239).
+
     :param loglevel_timeout: An optional `CLPLogLevelTimeout` object.
     :return: A context manager that either provides the lock from
         `loglevel_timeout` or a `nullcontext` if `loglevel_timeout` is `None`.