diff --git a/opteryx/engine/planner/operations/dataset_reader_node.py b/opteryx/engine/planner/operations/dataset_reader_node.py
index e47448055..a393e3ea2 100644
--- a/opteryx/engine/planner/operations/dataset_reader_node.py
+++ b/opteryx/engine/planner/operations/dataset_reader_node.py
@@ -131,6 +131,7 @@ def __init__(
 
         # circular imports
         from opteryx.engine.planner.planner import QueryPlanner
+
         if isinstance(self._dataset, (list, QueryPlanner, dict)):
             return
 
@@ -180,6 +181,7 @@ def execute(self) -> Iterable:
 
         # circular imports
         from opteryx.engine.planner.planner import QueryPlanner
+
         if isinstance(self._dataset, QueryPlanner):
             metadata = None