diff --git a/tractor/_forkserver_override.py b/tractor/_forkserver_override.py
index 25134ff..d799bb8 100644
--- a/tractor/_forkserver_override.py
+++ b/tractor/_forkserver_override.py
@@ -6,6 +6,8 @@ semaphore tracker per ``MainProcess``.
 .. note:: There is no type hinting in this code base (yet) to remain as
           a close as possible to upstream.
 """
+# type: ignore
+
 import os
 import socket
 import signal