diff --git a/dff/pipeline/pipeline/actor.py b/dff/pipeline/pipeline/actor.py
index 7825399d1..6cde5b8f0 100644
--- a/dff/pipeline/pipeline/actor.py
+++ b/dff/pipeline/pipeline/actor.py
@@ -60,6 +60,7 @@
         "processing": ((Any, Any), Any),
     }
 
+
 def error_handler(error_msgs: list, msg: str, exception: Optional[Exception] = None, logging_flag: bool = True):
     """
     This function handles errors during :py:class:`~dff.script.Script` validation.
@@ -467,13 +468,7 @@ def validate_script(self, logging_flag: bool = True):
                 # validate labeling
                 for label in node.transitions.keys():
                     if callable(label):
-                        error_msgs += validate_callable(
-                            label,
-                            "label",
-                            flow_name,
-                            node_name,
-                            logging_flag
-                        )
+                        error_msgs += validate_callable(label, "label", flow_name, node_name, logging_flag)
                     else:
                         norm_label = normalize_label(label, flow_name)
                         if norm_label is None:
diff --git a/tests/pipeline/test_pipeline.py b/tests/pipeline/test_pipeline.py
index 6b424b313..8cf96f551 100644
--- a/tests/pipeline/test_pipeline.py
+++ b/tests/pipeline/test_pipeline.py
@@ -1,5 +1,4 @@
 import importlib
-import pytest
 
 from dff.script import Message
 from tests.test_utils import get_path_from_tests_to_current_dir
diff --git a/tutorials/script/core/8_misc.py b/tutorials/script/core/8_misc.py
index 5d82558af..69ef69afc 100644
--- a/tutorials/script/core/8_misc.py
+++ b/tutorials/script/core/8_misc.py
@@ -35,9 +35,10 @@
 # %%
 def custom_response(ctx: Context, _: Pipeline) -> Message:
     current_node = ctx.current_node
+    current_misc = current_node.misc if current_node is not None else None
     return Message(
         text=f"ctx.last_label={ctx.last_label}: "
-        f"current_node.misc={current_node.misc if current_node is not None else None}"
+        f"current_node.misc={current_misc}"
     )