added not implemented list strict entity

pype/settings/entities/input_entities.py

@@ -341,3 +341,37 @@ class RawJsonEntity(InputEntity):
         value, metadata = self._prepare_value(value)
         self.studio_override_value = value
         self.project_override_metadata = metadata
+
+
+class ListStrictEntity(_NotImplemented):
+    schema_types = ["list-strict"]
+
+    gui_type = True
+
+    child_has_studio_override = False
+    child_is_invalid = False
+    has_unsaved_changes = False
+    child_is_modified = False
+    child_overriden = False
+    current_value = NOT_SET
+
+    # Abstract methods
+    set_value = None
+    set_override_state = None
+    discard_changes = None
+    on_change = None
+    on_child_change = None
+    on_value_change = None
+    get_invalid = None
+    settings_value = None
+    remove_overrides = None
+    reset_to_pype_default = None
+    set_as_overriden = None
+    set_studio_default = None
+    update_default_value = None
+    update_studio_values = None
+    update_project_values = None
+
+    def item_initalization(self):
+        self.valid_value_types = (list, )
+        self.require_key = False