diff --git a/src/fpm/cli.py b/src/fpm/cli.py
index 02f44e2..f186d09 100644
--- a/src/fpm/cli.py
+++ b/src/fpm/cli.py
@@ -121,10 +121,12 @@ def get_occ_grid(g, base_path, **kwargs):
     output_path = get_output_path(base_path, "maps")
     generate_occ_grid(g, output_path, **kwargs)
 
+
 def get_3d_mesh(g, base_path, **kwargs):
     output_path = get_output_path(base_path, "3d-mesh")
     generate_3d_mesh(g, output_path, **kwargs)
 
+
 def get_output_path(base_path, subfolder, model_name=None):
     if model_name is None:
         return os.path.join(base_path, subfolder)
diff --git a/src/fpm/generators/occ_grid.py b/src/fpm/generators/occ_grid.py
index 3216f52..8c40c23 100644
--- a/src/fpm/generators/occ_grid.py
+++ b/src/fpm/generators/occ_grid.py
@@ -8,7 +8,8 @@
     get_coordinates_map,
     get_floorplan_model_name,
     get_wall_points,
-    get_opening_points, get_waypoint_coord,
+    get_opening_points,
+    get_waypoint_coord,
 )
 from fpm.utils import load_template, save_file
 from fpm.constants import FPMODEL
diff --git a/src/fpm/transformations/tasks.py b/src/fpm/transformations/tasks.py
index d443260..9ed4674 100644
--- a/src/fpm/transformations/tasks.py
+++ b/src/fpm/transformations/tasks.py
@@ -9,7 +9,8 @@
 from fpm.graph import (
     get_space_points,
     get_coordinates_map,
-    get_floorplan_model_name, get_waypoint_coord,
+    get_floorplan_model_name,
+    get_waypoint_coord,
 )