Add back more missing docstrings

Author: greschd

tests/launcher/integration/simple_test_launcher.py

@@ -27,6 +27,8 @@
 import sys
 import tempfile
 
+import grpc
+
 from ansys.tools.common.launcher.grpc_transport import UDSOptions
 from ansys.tools.common.launcher.helpers.grpc import check_grpc_health
 from ansys.tools.common.launcher.interface import (