diff --git a/src/ansys/dpf/core/server_types.py b/src/ansys/dpf/core/server_types.py
index a1493f7116..8bf6a505c0 100644
--- a/src/ansys/dpf/core/server_types.py
+++ b/src/ansys/dpf/core/server_types.py
@@ -1100,7 +1100,7 @@ def get_api_for_type(self, capi, grpcapi):
         return grpcapi
 
     def create_stub_if_necessary(self, stub_name, stub_type):
-        if self.channel and not (stub_name in self._stubs.keys()):
+        if self.channel and not stub_name in self._stubs:
             self._stubs[stub_name] = stub_type(self.channel)
 
     def get_stub(self, stub_name):
diff --git a/src/ansys/dpf/core/settings.py b/src/ansys/dpf/core/settings.py
index b562164fcf..63497ef301 100644
--- a/src/ansys/dpf/core/settings.py
+++ b/src/ansys/dpf/core/settings.py
@@ -126,9 +126,9 @@ def get_runtime_client_config(server=None):
 
     """
     from ansys.dpf.core.runtime_config import RuntimeClientConfig
-    from ansys.dpf import core
+    from ansys.dpf import core as root
     if server is None:
-        server = core.SERVER
+        server = root.SERVER
     if server is not None and server.has_client():
         _api = server.get_api_for_type(
             capi=data_processing_capi.DataProcessingCAPI,