do replace duplicates in different functions in class during extract method

python/src/com/jetbrains/python/refactoring/extractmethod/PyExtractMethodUtil.java

@@ -202,8 +202,11 @@ public class PyExtractMethodUtil {
                                         @NotNull final PyFunction generatedMethod,
                                         @NotNull final PyDuplicatesFinder finder,
                                         @NotNull final Editor editor) {
-    final ScopeOwner owner = ScopeUtil.getScopeOwner(callElement);
+    ScopeOwner owner = ScopeUtil.getScopeOwner(callElement);
     if (owner instanceof PsiFile) return;
+    if (owner instanceof PyFunction && ((PyFunction)owner).getContainingClass() != null) {
+      owner = ((PyFunction)owner).getContainingClass();
+    }
     final List<Pair<PsiElement, PsiElement>> duplicates = finder.findDuplicates(owner, generatedMethod);
 
     if (duplicates.size() > 0) {

python/testData/refactoring/extractmethod/DuplicateInClass.after.py

@@ -0,0 +1,11 @@
+
+class A:
+    def foo(self):
+        print 1
+
+    def baz(self):
+        self.foo()
+        self.foo()
+
+    def bar(self):
+        self.foo()

python/testData/refactoring/extractmethod/DuplicateInClass.before.py

@@ -0,0 +1,8 @@
+
+class A:
+    def baz(self):
+        print<caret> 1
+        print 1
+
+    def bar(self):
+        print 1

python/testSrc/com/jetbrains/python/refactoring/PyExtractMethodTest.java

@@ -258,4 +258,8 @@ public class PyExtractMethodTest extends LightMarkedTestCase {
   public void testDuplicateMultiLine() {
     doTest("foo");
   }
+
+  public void testDuplicateInClass() {
+    doTest("foo");
+  }
 }