add some new lines

Author: picnixz

Modules/_io/bufferedio.c

@@ -260,6 +260,7 @@ typedef struct {
     PyObject *dict;
     PyObject *weakreflist;
 } buffered;
+
 #define _buffered_CAST(op)  ((buffered *)(op))
 
 /*
@@ -2229,6 +2230,7 @@ typedef struct {
     PyObject *dict;
     PyObject *weakreflist;
 } rwpair;
+
 #define _rwpair_CAST(op)    ((rwpair *)(op))
 
 /*[clinic input]

Modules/_io/iobase.c

@@ -34,6 +34,7 @@ typedef struct {
     PyObject *dict;
     PyObject *weakreflist;
 } iobase;
+
 #define _iobase_CAST(op)    ((iobase *)(op))
 
 PyDoc_STRVAR(iobase_doc,

Modules/_io/textio.c

@@ -222,6 +222,7 @@ struct nldecoder_object {
     unsigned int translate: 1;
     unsigned int seennl: 3;
 };
+
 #define _nldecoder_object_CAST(op)  ((nldecoder_object *)(op))
 
 /*[clinic input]
@@ -718,6 +719,7 @@ struct textio
 
     _PyIO_State *state;
 };
+
 #define _textio_CAST(op)    ((textio *)(op))
 
 static void