fix list types

django_setup_configuration/documentation/model_directive.py

@@ -20,6 +20,15 @@ class PolymorphicExample:
     commented_out_examples: list[Any]
 
 
+def get_default_from_field_info(field_info: FieldInfo) -> Any:
+    if field_info.default != PydanticUndefined and field_info.default:
+        if isinstance(field_info.default, Enum):
+            return field_info.default.value
+        return field_info.default
+    elif field_info.default_factory and (default := field_info.default_factory()):
+        return default
+
+
 def yaml_set_comment_with_max_length(
     commented_map: CommentedMap,
     key: str,
@@ -66,15 +75,9 @@ def insert_example_with_comments(
         yaml_set_comment_with_max_length(
             example_data, field_name, field_info.description, 80, indent=depth * 2
         )
-    if field_info.default != PydanticUndefined:
-        example_data.yaml_set_comment_before_after_key(
-            field_name, f"default value: {field_info.default}", indent=depth * 2
-        )
-    elif field_info.default_factory:
+    if default := get_default_from_field_info(field_info):
         example_data.yaml_set_comment_before_after_key(
-            field_name,
-            f"default value: {field_info.default_factory()}",
-            indent=depth * 2,
+            field_name, f"default value: {default}", indent=depth * 2
         )
     example_data.yaml_set_comment_before_after_key(
         field_name, f"required: {field_info.is_required()}", indent=depth * 2
@@ -137,6 +140,10 @@ def process_field_type(
     """
     Processes a field type and generates example data based on its type.
     """
+    # Handle basic types
+    if example := generate_basic_example(field_type, field_info):
+        return example
+
     # Step 1: Handle Annotated
     if get_origin(field_type) == Annotated:
         # Extract the first argument from Annotated, which could be a Union
@@ -168,22 +175,15 @@ def process_field_type(
         list_type = get_args(field_type)[0]
         return [process_field_type(list_type, field_info, field_name, depth + 1)]
 
-    # Handle basic types
-    return generate_basic_example(field_type, field_info)
-
 
-def generate_basic_example(field_type: Any, field_info) -> Any:
+def generate_basic_example(field_type: Any, field_info: FieldInfo) -> Any:
     """
     Generates a basic example for simple types like str, int, bool, etc.
     """
     if field_info.examples:
         return field_info.examples[0]
-    elif field_info.default != PydanticUndefined and field_info.default:
-        if isinstance(field_info.default, Enum):
-            return field_info.default.value
-        return field_info.default
-    elif field_info.default_factory:
-        return field_info.default_factory()
+    elif default := get_default_from_field_info(field_info):
+        return default
     elif field_type == str:
         return "example_string"
     elif field_type == int: