Issue #7865: The close() method of :mod:`io` objects should not swallow
exceptions raised by the implicit flush().  Also ensure that calling
close() several times is supported.  Patch by Pascal Chambon.
diff --git a/Modules/_io/bufferedio.c b/Modules/_io/bufferedio.c
index ba937ed..feee9be 100644
--- a/Modules/_io/bufferedio.c
+++ b/Modules/_io/bufferedio.c
@@ -440,11 +440,7 @@
     res = PyObject_CallMethodObjArgs((PyObject *)self, _PyIO_str_flush, NULL);
     ENTER_BUFFERED(self)
     if (res == NULL) {
-        /* If flush() fails, just give up */
-        if (PyErr_ExceptionMatches(PyExc_IOError))
-            PyErr_Clear();
-        else
-            goto end;
+        goto end;
     }
     Py_XDECREF(res);