diff --git a/backend/kale/marshal/backend.py b/backend/kale/marshal/backend.py
index 908272c5..957d065e 100644
--- a/backend/kale/marshal/backend.py
+++ b/backend/kale/marshal/backend.py
@@ -91,7 +91,7 @@ class that extends the base `MarshalBackend`. `Dispatcher` calls
         saved file.
         """
         abs_path = os.path.join(get_data_dir(), name + "." + self.file_type)
-        log.info(
+        log.debug(
             "Saving %s object using %s: %s to %s", self.display_name, self.name, name, abs_path
         )
         try:
@@ -124,7 +124,7 @@ class that extends the base `MarshalBackend`. `Dispatcher` calls
         directly this function instead of `load`.
         """
         abs_path = os.path.join(get_data_dir(), name + "." + self.file_type)
-        log.info("Loading %s file using %s: %s", self.display_name, self.name, name)
+        log.debug("Loading %s file using %s: %s", self.display_name, self.name, name)
         try:
             return self.load(abs_path)
         except ImportError as e:
@@ -285,9 +285,9 @@ def _unique_ls(basename: str):
                 and os.path.splitext(ls)[0] == basename
             )
         ]
-        log.info("Found %d entries for basename '%s': %s", len(entries), basename, entries)
+        log.debug("Found %d entries for basename '%s': %s", len(entries), basename, entries)
         if not entries:
-            log.info(
+            log.debug(
                 "Looking for unique file/folder with basename '%s' in %s", basename, get_data_dir()
             )
             raise ValueError(
diff --git a/backend/kale/templates/new_nb_function_template.jinja2 b/backend/kale/templates/new_nb_function_template.jinja2
index f90f0fe1..bc8ebbba 100644
--- a/backend/kale/templates/new_nb_function_template.jinja2
+++ b/backend/kale/templates/new_nb_function_template.jinja2
@@ -48,7 +48,7 @@ def {{ step.name }}_step({{ component_signature_args }}):
     _kale_marshal.set_data_dir("/marshal")
 {%- for output_art in step_outputs %}
     # Save {{ output_art.name }} to output artifact
-    _kale_marshal.save({{ output_art.name }}, "{{ output_art.name }}_artifact")
+    _ = _kale_marshal.save({{ output_art.name }}, "{{ output_art.name }}_artifact")
 {%- endfor %}
     # -----------------------DATA SAVING END-----------------------------------
     '''
diff --git a/backend/kale/tests/assets/kfp_dsl/iris.py b/backend/kale/tests/assets/kfp_dsl/iris.py
index 5fbdf06d..b18f65d9 100644
--- a/backend/kale/tests/assets/kfp_dsl/iris.py
+++ b/backend/kale/tests/assets/kfp_dsl/iris.py
@@ -46,13 +46,13 @@ def load_transform_data_step(load_transform_data_html_report: Output[HTML], x_tr
     from kale import marshal as _kale_marshal
     _kale_marshal.set_data_dir("/marshal")
     # Save x_trn to output artifact
-    _kale_marshal.save(x_trn, "x_trn_artifact")
+    _ = _kale_marshal.save(x_trn, "x_trn_artifact")
     # Save x_tst to output artifact
-    _kale_marshal.save(x_tst, "x_tst_artifact")
+    _ = _kale_marshal.save(x_tst, "x_tst_artifact")
     # Save y_trn to output artifact
-    _kale_marshal.save(y_trn, "y_trn_artifact")
+    _ = _kale_marshal.save(y_trn, "y_trn_artifact")
     # Save y_tst to output artifact
-    _kale_marshal.save(y_tst, "y_tst_artifact")
+    _ = _kale_marshal.save(y_tst, "y_tst_artifact")
     # -----------------------DATA SAVING END-----------------------------------
     '''
 
@@ -152,7 +152,7 @@ def train_model_step(train_model_html_report: Output[HTML], x_trn_input_artifact
     from kale import marshal as _kale_marshal
     _kale_marshal.set_data_dir("/marshal")
     # Save model to output artifact
-    _kale_marshal.save(model, "model_artifact")
+    _ = _kale_marshal.save(model, "model_artifact")
     # -----------------------DATA SAVING END-----------------------------------
     '''
 
diff --git a/backend/kale/tests/assets/kfp_dsl/pipeline_parameters_and_metrics.py b/backend/kale/tests/assets/kfp_dsl/pipeline_parameters_and_metrics.py
index f4297e06..ac1cac1b 100644
--- a/backend/kale/tests/assets/kfp_dsl/pipeline_parameters_and_metrics.py
+++ b/backend/kale/tests/assets/kfp_dsl/pipeline_parameters_and_metrics.py
@@ -46,7 +46,7 @@ def create_matrix_step(create_matrix_html_report: Output[HTML], rnd_matrix_outpu
     from kale import marshal as _kale_marshal
     _kale_marshal.set_data_dir("/marshal")
     # Save rnd_matrix to output artifact
-    _kale_marshal.save(rnd_matrix, "rnd_matrix_artifact")
+    _ = _kale_marshal.save(rnd_matrix, "rnd_matrix_artifact")
     # -----------------------DATA SAVING END-----------------------------------
     '''