Index: Objects/fileobject.c
===================================================================
--- Objects/fileobject.c	(revision 82910)
+++ Objects/fileobject.c	(working copy)
@@ -360,10 +360,6 @@
             }
             return NULL;
         }
-        /* NULL out the FILE pointer before releasing the GIL, because
-         * it will not be valid anymore after the close() function is
-         * called. */
-        f->f_fp = NULL;
         if (local_close != NULL) {
             Py_BEGIN_ALLOW_THREADS
             errno = 0;
@@ -569,6 +565,7 @@
 {
     PyObject *sts = close_the_file(f);
     if (sts) {
+        f->f_fp = NULL;
         PyMem_Free(f->f_setbuf);
         f->f_setbuf = NULL;
     }