Fix de l'ajout d'équipe, le ColorWidget était défaillant

note_kfet/inputs.py

@@ -63,8 +63,16 @@ class ColorWidget(Widget):
     def format_value(self, value):
         if value is None:
             value = 0xFFFFFF
-        return "#{:06X}".format(value)
+        if isinstance(value, str):
+            return value  # Assume it's already a hex string like "#FFAA33"
+        try:
+            return "#{:06X}".format(value)
+        except Exception:
+            return "#FFFFFF"
+
 
     def value_from_datadict(self, data, files, name):
         val = super().value_from_datadict(data, files, name)
-        return int(val[1:], 16)
+        if val:
+            return int(val[1:], 16)
+        return None

note_kfet/templates/colorfield/color.html

@@ -0,0 +1,5 @@
+<input type="text"
+       name="{{ widget.name }}"
+       value="{{ widget.value }}"
+       class="jscolor"
+       {% include "django/forms/widgets/attrs.html" %}>