don't indent comments following a statement list (PY-9542)

python/src/com/jetbrains/python/formatter/PyBlock.java

@@ -241,7 +241,8 @@ public class PyBlock implements ASTBlock {
       }
     }
 
-    if (isAfterStatementList(child) && !hasLineBreaksBefore(child, 2)) {  // maybe enter was pressed and cut us from a previous (nested) statement list
+    if (isAfterStatementList(child) && !hasLineBreaksBefore(child, 2) && child.getElementType() != PyTokenTypes.END_OF_LINE_COMMENT) {
+      // maybe enter was pressed and cut us from a previous (nested) statement list
       childIndent = Indent.getNormalIndent();
     }
 

python/testData/formatter/commentAfterBlock.py

@@ -0,0 +1,5 @@
+def test():
+    if bar:
+        foo()
+    # comment
+    foobar()

python/testData/formatter/commentAfterBlock_after.py

@@ -0,0 +1,5 @@
+def test():
+    if bar:
+        foo()
+    # comment
+    foobar()

python/testSrc/com/jetbrains/python/PyFormatterTest.java

@@ -350,6 +350,10 @@ public class PyFormatterTest extends PyTestCase {
     doTest();
   }
 
+  public void testCommentAfterBlock() {  // PY-9542
+    doTest();
+  }
+
   private void doTest() {
     doTest(false);
   }