type of void fixed (None -> NoneType)

example/example11.ref

 Help on built-in function kw_func
 
 kkww__ffuunncc(...)
-    Signature : (x : int, y : int) -> None
+    Signature : (x : int, y : int) -> NoneType
 
 Help on built-in function kw_func2
 
 kkww__ffuunncc22(...)
-    Signature : (x : int = 100L, y : int = 200L) -> None
+    Signature : (x : int = 100L, y : int = 200L) -> NoneType
 
 Help on built-in function kw_func3
 
 kkww__ffuunncc33(...)
-    Signature : (data : str = u'Hello world!') -> None
+    Signature : (data : str = u'Hello world!') -> NoneType
 
 kw_func(x=5, y=10)
 kw_func(x=5, y=10)
@@ -23,5 +23,5 @@ kw_func(x=100, y=10)
 kw_func(x=5, y=10)
 kw_func(x=5, y=10)
 Caught expected exception: Incompatible function arguments. The following argument types are supported:
-    1. (x : int = 100L, y : int = 200L) -> None
+    1. (x : int = 100L, y : int = 200L) -> NoneType
 

example/example5.ref

@@ -4,7 +4,7 @@ Molly is a dog
 Molly is a dog
 Woof!
 The following error is expected: Incompatible function arguments. The following argument types are supported:
-    1. (Dog) -> None
+    1. (Dog) -> NoneType
 
 Callback function 1 called!
 False

include/pybind11/cast.h

@@ -235,7 +235,7 @@ public:
         Py_INCREF(Py_None);
         return Py_None;
     }
-    PYBIND11_TYPE_CASTER(void_type, _("None"));
+    PYBIND11_TYPE_CASTER(void_type, _("NoneType"));
 };
 
 template <> class type_caster<void> : public type_caster<void_type> { };