diff --git a/src/brad/blueprint/serde.py b/src/brad/blueprint/serde.py
index 2f768e5c..25abdf53 100644
--- a/src/brad/blueprint/serde.py
+++ b/src/brad/blueprint/serde.py
@@ -51,7 +51,7 @@ def serialize_blueprint(blueprint: Blueprint) -> bytes:
 
 
 def _tables_with_locations_to_proto(
-    table_with_locations: Tuple[Table, List[Engine]]
+    table_with_locations: Tuple[Table, List[Engine]],
 ) -> b.Table:
     table, locations = table_with_locations
     return b.Table(
diff --git a/src/brad/planner/enumeration/provisioning.py b/src/brad/planner/enumeration/provisioning.py
index 3c204481..7d3f99a6 100644
--- a/src/brad/planner/enumeration/provisioning.py
+++ b/src/brad/planner/enumeration/provisioning.py
@@ -161,7 +161,7 @@ def _load_instance_resources(file_name: str) -> Dict[str, Dict[str, int | float]
 
 
 def _find_min_instance(
-    instances: Dict[str, Dict[str, int | float]]
+    instances: Dict[str, Dict[str, int | float]],
 ) -> Tuple[str, Dict[str, int | float]]:
     min_type: Optional[str] = None
     min_resources: Optional[Dict[str, int | float]] = None
diff --git a/src/brad/planner/metrics.py b/src/brad/planner/metrics.py
index 58f6e2f6..a8bf5a64 100644
--- a/src/brad/planner/metrics.py
+++ b/src/brad/planner/metrics.py
@@ -766,7 +766,7 @@ def _fill_empty_metrics(to_fill: pd.DataFrame, guide: pd.DataFrame) -> pd.DataFr
 
 
 def _compute_redshift_cpu_stats(
-    redshift_cpu: Dict[str, float]
+    redshift_cpu: Dict[str, float],
 ) -> Tuple[float, npt.NDArray]:
     """
     Returns the aggregated CPU value and list of all CPU values.