diff --git a/pydantic/main.py b/pydantic/main.py
index bdbaddeb755..a25e96efeaa 100644
--- a/pydantic/main.py
+++ b/pydantic/main.py
@@ -91,6 +91,18 @@
 
 __all__ = 'BaseModel', 'compiled', 'create_model', 'validate_model'
 
+_T = TypeVar('_T')
+
+
+def __dataclass_transform__(
+    *,
+    eq_default: bool = True,
+    order_default: bool = False,
+    kw_only_default: bool = False,
+    field_descriptors: Tuple[Union[type, Callable[..., Any]], ...] = (()),
+) -> Callable[[_T], _T]:
+    return lambda a: a
+
 
 def validate_custom_root_type(fields: Dict[str, ModelField]) -> None:
     if len(fields) > 1:
@@ -115,18 +127,6 @@ def hash_function(self_: Any) -> int:
 _is_base_model_class_defined = False
 
 
-_T = TypeVar('_T')
-
-
-def __dataclass_transform__(
-    *,
-    eq_default: bool = True,
-    order_default: bool = False,
-    kw_only_default: bool = False,
-    field_descriptors: Tuple[Union[type, Callable[..., Any]], ...] = (()),
-) -> Callable[[_T], _T]:
-    return lambda a: a
-
 @__dataclass_transform__(kw_only_default=True, field_descriptors=(Field, FieldInfo))
 class ModelMetaclass(ABCMeta):
     @no_type_check  # noqa C901