diff --git a/ultron/objective/management/commands/rebuild_tree.py b/ultron/objective/management/commands/rebuild_tree.py
index 471477a250..a57f34273a 100644
--- a/ultron/objective/management/commands/rebuild_tree.py
+++ b/ultron/objective/management/commands/rebuild_tree.py
@@ -1,44 +1,44 @@
 """This command manages Closure Tables implementation
-  
- It adds new levels and cleans links between Educatives.
- This way, it's relatively easy to fetch an entire tree with just one tiny request.
-  
- """
-  
- from django.core.management.base import BaseCommand
-  
- from ultron.objective.models import Educative, PrerequisiteClosure
-  
-  
- class Command(BaseCommand):
-     def handle(self, *args, **options):
-         # educative_list = Educative.objects.all()
-         educative_list = [Educative.objects.get(pk=44)]
-  
-         for educative in educative_list:
-             # print('__________________________________________________________________________')
-             # print('Traitement de ' + str(educative))
-             # breadcrumb = [node for node in educative.breadcrumb()]
-             breadcrumb = educative.breadcrumb()
-  
-             for path in range(0, len(breadcrumb)):
-                 # print('  ˪ ' + str(path + 1) + 'ème chemin')
-                 tree = set(PrerequisiteClosure.objects.filter(descendant=educative, path=path))
-                 # print('    ' + str(tree))
-     
-                 for position, ancestor in enumerate(breadcrumb[path]):
-                     # print('    ˪ Traitement de ' + str(ancestor.long_label) + ' : ' + str(ancestor.long_label) + ' -> ' + str(educative.long_label) + ' | ' + str(position) + ' | ' + str(path))
-                     tree_path, _ = PrerequisiteClosure.objects.get_or_create(
-                         ancestor=ancestor, descendant=educative, level=position, path=path
-                     )
-                     # if _:
-                         # print('      -> CREATION : ' + str(tree_path))
-                     # else:
-                         # print('      -> RECUPERATION : ' + str(tree_path))
-     
-                     if tree_path in tree:
-                         tree.remove(tree_path)
-     
-                 for tree_path in tree:
-                     # print('      DELETE : ' + str(tree_path))
-                     tree_path.delete()
+
+It adds new levels and cleans links between Educatives.
+This way, it's relatively easy to fetch an entire tree with just one tiny request.
+
+"""
+
+from django.core.management.base import BaseCommand
+
+from ultron.objective.models import Educative, PrerequisiteClosure
+
+
+class Command(BaseCommand):
+    def handle(self, *args, **options):
+        # educative_list = Educative.objects.all()
+        educative_list = [Educative.objects.get(pk=44)]
+
+        for educative in educative_list:
+            # print('__________________________________________________________________________')
+            # print('Traitement de ' + str(educative))
+            # breadcrumb = [node for node in educative.breadcrumb()]
+            breadcrumb = educative.breadcrumb()
+
+            for path in range(0, len(breadcrumb)):
+                # print('  ˪ ' + str(path + 1) + 'ème chemin')
+                tree = set(PrerequisiteClosure.objects.filter(descendant=educative, path=path))
+                # print('    ' + str(tree))
+    
+                for position, ancestor in enumerate(breadcrumb[path]):
+                    # print('    ˪ Traitement de ' + str(ancestor.long_label) + ' : ' + str(ancestor.long_label) + ' -> ' + str(educative.long_label) + ' | ' + str(position) + ' | ' + str(path))
+                    tree_path, _ = PrerequisiteClosure.objects.get_or_create(
+                        ancestor=ancestor, descendant=educative, level=position, path=path
+                    )
+                    # if _:
+                        # print('      -> CREATION : ' + str(tree_path))
+                    # else:
+                        # print('      -> RECUPERATION : ' + str(tree_path))
+    
+                    if tree_path in tree:
+                        tree.remove(tree_path)
+    
+                for tree_path in tree:
+                    # print('      DELETE : ' + str(tree_path))
+                    tree_path.delete()
diff --git a/ultron/objective/views.py b/ultron/objective/views.py
index 4f41e54ac2..8f84674d36 100644
--- a/ultron/objective/views.py
+++ b/ultron/objective/views.py
@@ -76,8 +76,8 @@ def skill_tree(request, skill_id):
     """
     skill = get_object_or_404(Skill, pk=skill_id)
     print(skill)
-    skill_tree = PrerequisiteClosure.objects.filter(descendant=skill).order_by("path", "level")
-    print(skill_tree)
+    skill_breadcrumb = PrerequisiteClosure.objects.filter(descendant=skill).order_by("path", "level")
+    print(skill_breadcrumb)
     context = {"skill": skill}
     return render(request, "objectives/skills/tree.html", context)