diff --git a/src/easylink/implementation.py b/src/easylink/implementation.py
index d12a69d2..a207cc1a 100644
--- a/src/easylink/implementation.py
+++ b/src/easylink/implementation.py
@@ -1,11 +1,10 @@
 from pathlib import Path
-from typing import TYPE_CHECKING, Dict, List, Optional
+from typing import TYPE_CHECKING, Dict, Iterable, List, Optional
 
 from layered_config_tree import LayeredConfigTree
 
 from easylink.utilities import paths
 from easylink.utilities.data_utils import load_yaml
-from typing import Iterable
 
 if TYPE_CHECKING:
     from easylink.graph_components import InputSlot, OutputSlot
diff --git a/src/easylink/pipeline_schema_constants/development.py b/src/easylink/pipeline_schema_constants/development.py
index c4bd65bd..f5bee62a 100644
--- a/src/easylink/pipeline_schema_constants/development.py
+++ b/src/easylink/pipeline_schema_constants/development.py
@@ -9,8 +9,8 @@
     BasicStep,
     HierarchicalStep,
     InputStep,
-    OutputStep,
     LoopStep,
+    OutputStep,
     ParallelStep,
 )
 from easylink.utilities.validation_utils import validate_input_file_dummy
diff --git a/src/easylink/pipeline_schema_constants/integration_test.py b/src/easylink/pipeline_schema_constants/integration_test.py
index 4f8d89e7..b7be1a80 100644
--- a/src/easylink/pipeline_schema_constants/integration_test.py
+++ b/src/easylink/pipeline_schema_constants/integration_test.py
@@ -1,10 +1,5 @@
 from easylink.graph_components import EdgeParams, InputSlot, OutputSlot
-from easylink.step import (
-    BasicStep,
-    InputSlot,
-    InputStep,
-    OutputStep,
-)
+from easylink.step import BasicStep, InputSlot, InputStep, OutputStep
 from easylink.utilities.validation_utils import validate_input_file_dummy
 
 NODES = [
diff --git a/src/easylink/step.py b/src/easylink/step.py
index 3b6a8389..92091a03 100644
--- a/src/easylink/step.py
+++ b/src/easylink/step.py
@@ -136,7 +136,6 @@ def implementation_slot_mappings(self) -> dict[str, list[SlotMapping]]:
 
 
 class InputStep(IOStep):
-
     def __init__(
         self,
         output_slots: Iterable[InputSlot] = (OutputSlot("all"),),