Python function parsing fixed: any function has statement list now

python/testData/psi/BadDecoratorNotMethod.py

@@ -0,0 +1,4 @@
+class Foo(object):
+     @staticmethod
+            def bad_method(): #test
+                pass

python/testData/psi/BadDecoratorNotMethod.txt

@@ -0,0 +1,44 @@
+PyFile:BadDecoratorNotMethod.py
+  PyClass: Foo
+    PsiElement(Py:CLASS_KEYWORD)('class')
+    PsiWhiteSpace(' ')
+    PsiElement(Py:IDENTIFIER)('Foo')
+    PyArgumentList
+      PsiElement(Py:LPAR)('(')
+      PyReferenceExpression: object
+        PsiElement(Py:IDENTIFIER)('object')
+      PsiElement(Py:RPAR)(')')
+    PsiElement(Py:COLON)(':')
+    PsiWhiteSpace('\n     ')
+    PyStatementList
+      PyFunction('null')
+        PyDecoratorList
+          PyDecorator: @staticmethod
+            PsiElement(Py:AT)('@')
+            PyReferenceExpression: staticmethod
+              PsiElement(Py:IDENTIFIER)('staticmethod')
+            PyArgumentList
+              <empty list>
+        PsiErrorElement:'@' or 'def' expected
+          <empty list>
+        PsiWhiteSpace('\n            ')
+        PyParameterList
+          <empty list>
+        PyStatementList
+          <empty list>
+      PsiErrorElement:Unexpected indent
+        <empty list>
+      PyFunction('bad_method')
+        PsiElement(Py:DEF_KEYWORD)('def')
+        PsiWhiteSpace(' ')
+        PsiElement(Py:IDENTIFIER)('bad_method')
+        PyParameterList
+          PsiElement(Py:LPAR)('(')
+          PsiElement(Py:RPAR)(')')
+        PsiElement(Py:COLON)(':')
+        PsiWhiteSpace(' ')
+        PsiComment(Py:END_OF_LINE_COMMENT)('#test')
+        PsiWhiteSpace('\n                ')
+        PyStatementList
+          PyPassStatement
+            PsiElement(Py:PASS_KEYWORD)('pass')