fixed PY-5192 Move Statement: breaks code in case moving down to nested try statement

python/src/com/jetbrains/python/codeInsight/editorActions/moveUpDown/StatementMover.java

@@ -246,7 +246,7 @@ public class StatementMover extends LineMover {
         PsiElement commonParent = PsiTreeUtil.findCommonParent(statementPart1, statementPart2);
         if (PsiTreeUtil.isAncestor(statementPart2, statementPart1, false)) return false;
         if ((commonParent instanceof PyIfStatement) || (commonParent instanceof PyLoopStatement) ||
-            (commonParent instanceof PyConditionalStatementPart))
+            (commonParent instanceof PyStatementPart))
           return true;
       }
     }
@@ -261,7 +261,7 @@ public class StatementMover extends LineMover {
       if (statementPart2 == null) return true;
       if (statementPart1.getParent() != statementPart2.getParent()) {
         PsiElement commonParent = PsiTreeUtil.findCommonParent(statementPart1, statementPart2);
-        if (!(commonParent instanceof PyIfStatement) && !(commonParent instanceof PyLoopStatement) && !(commonParent instanceof PyConditionalStatementPart))
+        if (!(commonParent instanceof PyIfStatement) && !(commonParent instanceof PyLoopStatement) && !(commonParent instanceof PyStatementPart))
           return true;
         if (PsiTreeUtil.isAncestor(statementPart2, statementPart1, false)) return true;
       }

python/testData/mover/nestedTry.py

@@ -0,0 +1,8 @@
+try:
+    zo<caret>o(3)
+    try:
+        print(zoo(1).foo(2))
+    except:
+        print(zoo(0).foo(2))
+except:
+    pass

python/testData/mover/nestedTry_afterDown.py

@@ -0,0 +1,8 @@
+try:
+    try:
+        zoo(3)
+        print(zoo(1).foo(2))
+    except:
+        print(zoo(0).foo(2))
+except:
+    pass

python/testData/mover/nestedTry_afterUp.py

@@ -0,0 +1,8 @@
+zoo(3)
+try:
+    try:
+        print(zoo(1).foo(2))
+    except:
+        print(zoo(0).foo(2))
+except:
+    pass

python/testSrc/com/jetbrains/python/PyStatementMoverTest.java

@@ -99,4 +99,8 @@ public class PyStatementMoverTest extends PyTestCase {
   public void testContinueBreak() { // PY-5193
     doTest();
   }
+
+  public void testNestedTry() { // PY-5192
+    doTest();
+  }
 }