python · vstinner · Mar 10, 2020 · Mar 10, 2020
diff --git a/Lib/test/test_random.py b/Lib/test/test_random.py
@@ -42,7 +42,7 @@ class MySeed(object):
            def __hash__(self):
                return -1729
        for arg in [None, 0, 1, -1, 10**20, -(10**20),
-                    3.14, 'a']:
+                    False, True, 3.14, 'a']:
            self.gen.seed(arg)

        for arg in [1+2j, tuple('abc'), MySeed()]:

diff --git a/Misc/NEWS.d/next/Library/2020-03-10-12-52-06.bpo-38075.qbESAF.rst b/Misc/NEWS.d/next/Library/2020-03-10-12-52-06.bpo-38075.qbESAF.rst
@@ -0,0 +1,2 @@
+Fix the :meth:`random.Random.seed` method when a :class:`bool` is passed as the
+seed.
diff --git a/Modules/_randommodule.c b/Modules/_randommodule.c
@@ -264,7 +264,6 @@ random_seed(RandomObject *self, PyObject *arg)
    uint32_t *key = NULL;
    size_t bits, keyused;
    int res;
-    PyObject *args[1];

    if (arg == NULL || arg == Py_None) {
       if (random_seed_urandom(self) < 0) {
@@ -286,9 +285,7 @@ random_seed(RandomObject *self, PyObject *arg)
    } else if (PyLong_Check(arg)) {
        /* Calling int.__abs__() prevents calling arg.__abs__(), which might
           return an invalid value. See issue #31478. */
-        args[0] = arg;
-        n = PyObject_Vectorcall(_randomstate_global->Long___abs__, args, 0,
-                                         NULL);
+        n = PyObject_CallOneArg(_randomstate_global->Long___abs__, arg);
    }
    else {
        Py_hash_t hash = PyObject_Hash(arg);
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		Fix the :meth:`random.Random.seed` method when a :class:`bool` is passed as the
		seed.