diff --git a/src/ansys/dpf/core/server.py b/src/ansys/dpf/core/server.py
index ad4d86013b6..fc14a0ac595 100644
--- a/src/ansys/dpf/core/server.py
+++ b/src/ansys/dpf/core/server.py
@@ -48,7 +48,13 @@
     ServerConfig,
     ServerFactory,
 )
-from ansys.dpf.core.server_types import DPF_DEFAULT_PORT, LOCALHOST, RUNNING_DOCKER, AnyServerType
+from ansys.dpf.core.server_types import (  # noqa: F401  # pylint: disable=unused-import
+    DPF_DEFAULT_PORT,
+    LOCALHOST,
+    RUNNING_DOCKER,
+    AnyServerType,
+    BaseServer,
+)
 
 
 def shutdown_global_server():