Don't emit super-init-not-called for Enum subclasses

For some reason, commit 83d544b to cpython added a `__init__`
to `Enum` which does nothing (it just says `pass`). The examples
in the Enum docs:
https://docs.python.org/3.11/howto/enum.html
still do not include calling super's `__init__` for Enum
subclasses, that define their own `__init__`, and obviously there
is no practical point to calling a method that does nothing, so
it seems best just to skip this warning for Enum.

Signed-off-by: Adam Williamson <[email protected]>

Author: AdamWill

doc/whatsnew/2/2.15/index.rst

@@ -33,6 +33,8 @@ Extensions
 False positives fixed
 =====================
 
+* Don't report ``super-init-not-called`` for subclasses of ``Enum`` (on Python >= 3.11).
+
 * Don't report ``unsupported-binary-operation`` on Python <= 3.9 when using the ``|`` operator
   with types, if one has a metaclass that overloads ``__or__`` or ``__ror__`` as appropriate.
 

pylint/checkers/classes/class_checker.py

@@ -2059,6 +2059,11 @@ def _check_init(self, node: nodes.FunctionDef, klass_node: nodes.ClassDef) -> No
                 except astroid.InferenceError:
                     continue
 
+            # Skip if klass is Enum, Python's own docs and examples
+            # do not recommend Enum subclasses call Enum.__init__
+            if klass.name == "Enum":
+                continue
+
             if decorated_with(node, ["typing.overload"]):
                 continue
             cls = node_frame_class(method)