diff --git a/src/bonsai/bonsai/bim/module/model/decorator.py b/src/bonsai/bonsai/bim/module/model/decorator.py
index 01e28accbf..6ae1ee0776 100644
--- a/src/bonsai/bonsai/bim/module/model/decorator.py
+++ b/src/bonsai/bonsai/bim/module/model/decorator.py
@@ -595,14 +595,17 @@ class PolylineDecorator:
         wall_preview_data = self.get_wall_preview_data(context, self.relating_type)
         if wall_preview_data:
             self.draw_batch("LINES", wall_preview_data["verts"], decorator_color, wall_preview_data["edges"])
-            self.draw_batch("TRIS", wall_preview_data["verts"], transparent_color(decorator_color), wall_preview_data["tris"])
+            self.draw_batch(
+                "TRIS", wall_preview_data["verts"], transparent_color(decorator_color), wall_preview_data["tris"]
+            )
 
         # Mesh type products
         product_preview_data = self.get_product_preview_data(context, self.relating_type)
         if product_preview_data:
             self.draw_batch("LINES", product_preview_data["verts"], decorator_color, product_preview_data["edges"])
-            self.draw_batch("TRIS", product_preview_data["verts"], transparent_color(decorator_color), product_preview_data["tris"])
-
+            self.draw_batch(
+                "TRIS", product_preview_data["verts"], transparent_color(decorator_color), product_preview_data["tris"]
+            )
 
     def draw_input_ui(self, context):
         texts = {
diff --git a/src/bonsai/bonsai/tool/polyline.py b/src/bonsai/bonsai/tool/polyline.py
index 4c1f182564..98ee9e1a1e 100644
--- a/src/bonsai/bonsai/tool/polyline.py
+++ b/src/bonsai/bonsai/tool/polyline.py
@@ -303,7 +303,6 @@ class Polyline(bonsai.core.tool.Polyline):
 
         return
 
-
     @classmethod
     def validate_input(cls, input_number, input_type):