PY-16035 Warning about not implemented abstract methods is hidden for abstract subclasses

python/testData/inspections/PyAbstractClassInspection/hiddenForAbstractSubclassWithAbstractMethod.py

@@ -0,0 +1,15 @@
+import abc
+
+
+class A1(object):
+    __metaclass__ = abc.ABCMeta
+
+    @abc.abstractmethod
+    def m1(self):
+        pass
+
+
+class A2(A1):
+    @abc.abstractmethod
+    def m2(self):
+        pass

python/testData/inspections/PyAbstractClassInspection/hiddenForAbstractSubclassWithExplicitMetaclass.py

@@ -0,0 +1,13 @@
+import abc
+
+
+class A1(object):
+    __metaclass__ = abc.ABCMeta
+
+    @abc.abstractmethod
+    def m1(self):
+        pass
+
+
+class A2(A1):
+    __metaclass__ = abc.ABCMeta

python/testData/inspections/PyAbstractClassInspection/hiddenForAbstractSubclassWithExplicitMetaclassPy3.py

@@ -0,0 +1,11 @@
+import abc
+
+
+class A1(metaclass=abc.ABCMeta):
+    @abc.abstractmethod
+    def m1(self):
+        pass
+
+
+class A2(A1, metaclass=abc.ABCMeta):
+    pass