🐛 Find - fix m2m edtion of museum fields

2 files changed, 5 insertions, 2 deletions

diff --git a/archaeological_finds/forms.py b/archaeological_finds/forms.py
index 33611d074..2dd222927 100644
--- a/archaeological_finds/forms.py
+++ b/archaeological_finds/forms.py
@@ -220,6 +220,8 @@ class BasicFindForm(CustomForm, ManageOldType):
         "technical_area",
         "technical_processe",
         "museum_former_collection",
+        "museum_inventory_marking_presence",
+        "museum_marking_type",
     ]
     associated_models = {
         "material_type": models.MaterialType,
diff --git a/archaeological_finds/models_finds.py b/archaeological_finds/models_finds.py
index 760ddff32..ce92e738e 100644
--- a/archaeological_finds/models_finds.py
+++ b/archaeological_finds/models_finds.py
@@ -2350,10 +2350,11 @@ class Find(
     def has_museum_section(self):
         if get_current_profile().museum and self.mark:
             return True
-        for field in self._meta.fields:
+        for field in self._meta.get_fields():
             if not field.name.startswith("museum_"):
                 continue
-            if getattr(self, field.name):
+            instanced_field = getattr(self, field.name)
+            if instanced_field and (not field.many_to_many or instanced_field.count()):
                 return True
         return False