fixed PY-10993 Instance attribute defined outside __init__, which is strictly true, but it's an invalid issue.

python/src/com/jetbrains/python/inspections/PyAttributeOutsideInitInspection.java

@@ -17,6 +17,7 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -54,8 +55,13 @@ public class PyAttributeOutsideInitInspection extends PyInspection {
       if (!isApplicable(containingClass)) {
         return;
       }
+      final List<PyTargetExpression> classAttributes = containingClass.getClassAttributes();
 
       Map<String, PyTargetExpression> attributesInInit = new HashMap<String, PyTargetExpression>();
+      for (PyTargetExpression classAttr : classAttributes) {
+        attributesInInit.put(classAttr.getName(), classAttr);
+      }
+
       final PyFunction initMethod = containingClass.findMethodByName(PyNames.INIT, false);
       if (initMethod != null) {
         PyClassImpl.collectInstanceAttributes(initMethod, attributesInInit);

python/testData/inspections/PyAttributeOutsideInitInspection/classAttrs.py

@@ -0,0 +1,7 @@
+__author__ = 'ktisha'
+
+class A:
+    ccc = True
+
+    def foo(self):
+        self.ccc =  False

python/testSrc/com/jetbrains/python/inspections/PyAttributeOutsideInitInspectionTest.java

@@ -35,6 +35,10 @@ public class PyAttributeOutsideInitInspectionTest extends PyTestCase {
     doTest();
   }
 
+  public void testClassAttrs() {
+    doTest();
+  }
+
   private void doTest() {
     myFixture.configureByFile("inspections/PyAttributeOutsideInitInspection/" + getTestName(true) + ".py");
     myFixture.enableInspections(PyAttributeOutsideInitInspection.class);