diff --git a/softpack_core/service.py b/softpack_core/service.py
index 454cb14..71a3ce5 100644
--- a/softpack_core/service.py
+++ b/softpack_core/service.py
@@ -5,8 +5,8 @@
 """
 
 
-import multiprocessing
 import urllib.parse
+from multiprocessing.synchronize import Event as EventClass
 from pathlib import Path
 
 import typer
@@ -52,7 +52,7 @@ def run(
                 help="Create and use this branch of Artefacts repo.",
             ),
         ] = 'main',
-        serviceReady = None,
+        serviceReady: EventClass = None,
     ) -> None:
         """Start the SoftPack Core REST API service.
 
diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
index 0cca742..72f9004 100644
--- a/tests/integration/conftest.py
+++ b/tests/integration/conftest.py
@@ -43,7 +43,7 @@ def httpx_post(mocker):
 
 
 @pytest.fixture
-def testable_env_input(mocker) -> EnvironmentInput:
+def testable_env_input(mocker) -> EnvironmentInput: # type: ignore
     ad = new_test_artifacts()
     artifacts: Artifacts = ad["artifacts"]
     user = ad["test_user"]