Fix build error

Cython/Compiler/AnalysedTreeTransforms.py

@@ -63,7 +63,9 @@ class AutoTestDictTransform(ScopeTrackingTransform):
         return node
 
     def visit_FuncDefNode(self, node):
-        if not node.doc or node.fused_py_func:
+        import Nodes
+        if not node.doc or (isinstance(node, Nodes.DefNode) and
+                            node.fused_py_func):
             return node
         if not self.cdef_docstrings:
             if isinstance(node, CFuncDefNode) and not node.py_func: