Fix codestyle

Author: pintaoz

src/sagemaker/pipeline.py

@@ -563,7 +563,6 @@ def delete_model(self):
 
         self.sagemaker_session.delete_model(self.name)
 
-    
     def _init_sagemaker_session_if_does_not_exist(self, instance_type=None):
         """Set ``self.sagemaker_session`` to ``LocalSession`` or ``Session`` if it's not already.
 

src/sagemaker/test.py

@@ -645,6 +645,7 @@ def arguments(self) -> RequestType:
             request_dict = self.step_args
         else:
             if isinstance(self.model, PipelineModel):
+                self.model._init_sagemaker_session_if_does_not_exist()
                 request_dict = self.model.sagemaker_session._create_model_request(
                     name="",
                     role=self.model.role,
@@ -653,6 +654,7 @@ def arguments(self) -> RequestType:
                     enable_network_isolation=self.model.enable_network_isolation,
                 )
             else:
+                self.model._init_sagemaker_session_if_does_not_exist()
                 request_dict = self.model.sagemaker_session._create_model_request(
                     name="",
                     role=self.model.role,