Fixed false positive in callable inspection when __call__ is defined as an attribute (PY-8416)

python/src/com/jetbrains/python/psi/types/PyABCUtil.java

@@ -85,6 +85,6 @@ public class PyABCUtil {
   }
 
   private static boolean hasMethod(PyClass cls, String name, boolean inherited) {
-    return cls.findMethodByName(name, inherited) != null;
+    return cls.findMethodByName(name, inherited) != null || cls.findClassAttribute(name, inherited) != null;
   }
 }

python/testData/inspections/PyCallingNonCallableInspection/callAttributeAssignment.py

@@ -0,0 +1,9 @@
+class C:
+    def f(self):
+        pass
+
+    __call__ = f
+
+
+c = C()
+c() # pass

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

@@ -54,6 +54,11 @@ public class PyCallingNonCallableInspectionTest extends PyTestCase {
     doTest();
   }
 
+  // PY-8416
+  public void testCallAttributeAssignment() {
+    doTest();
+  }
+
   private void doTest() {
     setLanguageLevel(LanguageLevel.PYTHON27);
     try {