Issue #24001: Argument Clinic converters now use accept={type}
instead of types={'type'} to specify the types the converter accepts.
diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c
index 0894ca4..12e37bb 100644
--- a/Modules/_io/fileio.c
+++ b/Modules/_io/fileio.c
@@ -603,7 +603,7 @@
 
 /*[clinic input]
 _io.FileIO.readinto
-    buffer: Py_buffer(types={'rwbuffer'})
+    buffer: Py_buffer(accept={rwbuffer})
     /
 
 Same as RawIOBase.readinto().
@@ -611,7 +611,7 @@
 
 static PyObject *
 _io_FileIO_readinto_impl(fileio *self, Py_buffer *buffer)
-/*[clinic end generated code: output=b01a5a22c8415cb4 input=5edd8327498d468c]*/
+/*[clinic end generated code: output=b01a5a22c8415cb4 input=4721d7b68b154eaf]*/
 {
     Py_ssize_t n;
     int err;