fixed PyMethod_New() call

Cython/Compiler/ExprNodes.py

@@ -2470,7 +2470,7 @@ class UnboundMethodNode(ExprNode):
     
     def generate_result_code(self, code):
         code.putln(
-            "%s = PyMethod_New(%s, 0, %s); %s" % (
+            "%s = __Pyx_PyMethod_New(%s, 0, %s); %s" % (
                 self.result_code,
                 self.function.py_result(),
                 self.class_cname,

Cython/Compiler/ModuleNode.py

@@ -415,8 +415,10 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
         code.putln("#endif")
 
         code.putln("#if PY_MAJOR_VERSION >= 3")
-        code.putln("  #define PyMethod_New(func, self, klass) (func!=NULL?(Py_INCREF(func),func):NULL)")
         code.putln("  #define PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)")
+        code.putln("  #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, klass)")
+        code.putln("#else")
+        code.putln("  #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)")
         code.putln("#endif")
 
         code.putln("#ifndef __stdcall")