1 files changed, 16 insertions, 16 deletions

diff --git a/Modules/_pickle.c b/Modules/_pickle.c
index 9e82d14..7370be5 100644
--- a/Modules/_pickle.c
+++ b/Modules/_pickle.c
@@ -1142,7 +1142,7 @@ _Pickler_SetProtocol(PicklerObject *self, PyObject *protocol, int fix_imports)
 {
     long proto;
 
-    if (protocol == NULL || protocol == Py_None) {
+    if (protocol == Py_None) {
         proto = DEFAULT_PROTOCOL;
     }
     else {
@@ -4638,9 +4638,9 @@ Pickler_clear(PicklerObject *self)
 _pickle.Pickler.__init__
 
   file: object
-  protocol: object = NULL
+  protocol: object = None
   fix_imports: bool = True
-  buffer_callback: object = NULL
+  buffer_callback: object = None
 
 This takes a binary file for writing a pickle data stream.
 
@@ -4678,7 +4678,7 @@ static int
 _pickle_Pickler___init___impl(PicklerObject *self, PyObject *file,
                               PyObject *protocol, int fix_imports,
                               PyObject *buffer_callback)
-/*[clinic end generated code: output=0abedc50590d259b input=9a43a1c50ab91652]*/
+/*[clinic end generated code: output=0abedc50590d259b input=bb886e00443a7811]*/
 {
     _Py_IDENTIFIER(persistent_id);
     _Py_IDENTIFIER(dispatch_table);
@@ -7200,7 +7200,7 @@ _pickle.Unpickler.__init__
   fix_imports: bool = True
   encoding: str = 'ASCII'
   errors: str = 'strict'
-  buffers: object = NULL
+  buffers: object(c_default="NULL") = ()
 
 This takes a binary file for reading a pickle data stream.
 
@@ -7228,7 +7228,7 @@ static int
 _pickle_Unpickler___init___impl(UnpicklerObject *self, PyObject *file,
                                 int fix_imports, const char *encoding,
                                 const char *errors, PyObject *buffers)
-/*[clinic end generated code: output=09f0192649ea3f85 input=da4b62d9edb68700]*/
+/*[clinic end generated code: output=09f0192649ea3f85 input=ca4c1faea9553121]*/
 {
     _Py_IDENTIFIER(persistent_load);
 
@@ -7620,10 +7620,10 @@ _pickle.dump
 
   obj: object
   file: object
-  protocol: object = NULL
+  protocol: object = None
   *
   fix_imports: bool = True
-  buffer_callback: object = NULL
+  buffer_callback: object = None
 
 Write a pickled representation of obj to the open file object file.
 
@@ -7658,7 +7658,7 @@ static PyObject *
 _pickle_dump_impl(PyObject *module, PyObject *obj, PyObject *file,
                   PyObject *protocol, int fix_imports,
                   PyObject *buffer_callback)
-/*[clinic end generated code: output=706186dba996490c input=2f035f02cc0f9547]*/
+/*[clinic end generated code: output=706186dba996490c input=cfdcaf573ed6e46c]*/
 {
     PicklerObject *pickler = _Pickler_New();
 
@@ -7693,10 +7693,10 @@ _pickle_dump_impl(PyObject *module, PyObject *obj, PyObject *file,
 _pickle.dumps
 
   obj: object
-  protocol: object = NULL
+  protocol: object = None
   *
   fix_imports: bool = True
-  buffer_callback: object = NULL
+  buffer_callback: object = None
 
 Return the pickled representation of the object as a bytes object.
 
@@ -7722,7 +7722,7 @@ into *file* as part of the pickle stream.  It is an error if
 static PyObject *
 _pickle_dumps_impl(PyObject *module, PyObject *obj, PyObject *protocol,
                    int fix_imports, PyObject *buffer_callback)
-/*[clinic end generated code: output=fbab0093a5580fdf input=001f167df711b9f1]*/
+/*[clinic end generated code: output=fbab0093a5580fdf input=9f334d535ff7194f]*/
 {
     PyObject *result;
     PicklerObject *pickler = _Pickler_New();
@@ -7757,7 +7757,7 @@ _pickle.load
   fix_imports: bool = True
   encoding: str = 'ASCII'
   errors: str = 'strict'
-  buffers: object = NULL
+  buffers: object(c_default="NULL") = ()
 
 Read and return an object from the pickle data stored in a file.
 
@@ -7788,7 +7788,7 @@ static PyObject *
 _pickle_load_impl(PyObject *module, PyObject *file, int fix_imports,
                   const char *encoding, const char *errors,
                   PyObject *buffers)
-/*[clinic end generated code: output=250452d141c23e76 input=29fae982fe778156]*/
+/*[clinic end generated code: output=250452d141c23e76 input=46c7c31c92f4f371]*/
 {
     PyObject *result;
     UnpicklerObject *unpickler = _Unpickler_New();
@@ -7825,7 +7825,7 @@ _pickle.loads
   fix_imports: bool = True
   encoding: str = 'ASCII'
   errors: str = 'strict'
-  buffers: object = NULL
+  buffers: object(c_default="NULL") = ()
 
 Read and return an object from the given pickle data.
 
@@ -7847,7 +7847,7 @@ static PyObject *
 _pickle_loads_impl(PyObject *module, PyObject *data, int fix_imports,
                    const char *encoding, const char *errors,
                    PyObject *buffers)
-/*[clinic end generated code: output=82ac1e6b588e6d02 input=c6004393f8276867]*/
+/*[clinic end generated code: output=82ac1e6b588e6d02 input=9c2ab6a0960185ea]*/
 {
     PyObject *result;
     UnpicklerObject *unpickler = _Unpickler_New();