Fix init_subclass call order (#16)

Author: antonagestam

abcattrs/__init__.py

@@ -9,4 +9,4 @@
     "abstractattrs",
     "check_abstract_class_attributes",
 )
-__version__ = "0.3.1"
+__version__ = "0.3.2"

abcattrs/abcattrs.py

@@ -90,8 +90,7 @@ def _init_subclass(
     """
     __init_subclass__ implementation added to classes decorated with @abstractattrs.
     """
-    if existing_init_subclass is None:
-        super(cls).__init_subclass__()  # type: ignore[misc]
-    else:
-        existing_init_subclass(cls, *args, **kwargs)
+    super(cls).__init_subclass__()  # type: ignore[misc]
     check_abstract_class_attributes(cls)
+    if existing_init_subclass is not None:
+        existing_init_subclass(cls, *args, **kwargs)

tests/test_decorator.py

@@ -113,7 +113,7 @@ def __init_subclass__(cls, class_arg: str, **kwargs: Any) -> None:
     with pytest.raises(UndefinedAbstractAttribute):
         type("B", (A,), {}, class_arg="doot")
 
-    init_subclass.assert_called_once_with(mock.ANY, class_arg="doot")
+    init_subclass.assert_not_called()
     init_subclass.reset_mock()
 
     class C(A, class_arg="intact"):