changed the policy of defining long blocks

python/src/com/jetbrains/python/PythonFoldingBuilder.java

@@ -155,8 +155,7 @@ public class PythonFoldingBuilder extends CustomFoldingBuilder implements DumbAw
     }
     PsiElement element = statementList.getPsi();
     if (element instanceof PyStatementList) {
-      PyStatementList statements = (PyStatementList)element;
-      return statements.getStatements().length > 1;
+      return StringUtil.countNewLines(element.getText()) > 0;
     }
     return false;
   }

python/testData/folding/blocksFolding.py

@@ -28,10 +28,10 @@ while True:<fold text='...'>
 
 f = open('1.txt')
 ints = []
-try:
+try:<fold text='...'>
     for line in f:<fold text='...'>
         ints.append(int(line))
-        ints.append(int(line))</fold>
+        ints.append(int(line))</fold></fold>
 
 except ValueError:<fold text='...'>
     print('')

python/testData/folding/customFolding.py

@@ -16,10 +16,10 @@ class ImportantClass(object):<fold text='...'>
 
 <fold text='VeryImportant'>#region VeryImportant
 def importantFunction():<fold text='...'>
-    if (x > 0):
+    if (x > 0):<fold text='...'>
         <fold text='Body'>#region Body
         print "abc"
-        #endregion</fold>
+        #endregion</fold></fold>
     return</fold>
 pass
 #endregion</fold>