bpo-33932: Calling Py_Initialize() twice does nothing (GH-7845)


Calling Py_Initialize() twice does nothing, instead of failing with a
fatal error: restore the Python 3.6 behaviour.
(cherry picked from commit 209abf746985526bce255e2fba97d3246924885d)

Co-authored-by: Victor Stinner <vstinner@redhat.com>
diff --git a/Lib/test/test_embed.py b/Lib/test/test_embed.py
index c52cb99..f3b6043 100644
--- a/Lib/test/test_embed.py
+++ b/Lib/test/test_embed.py
@@ -229,6 +229,15 @@
         self.assertEqual(out, '')
         self.assertEqual(err, '')
 
+    def test_initialize_twice(self):
+        """
+        bpo-33932: Calling Py_Initialize() twice should do nothing (and not
+        crash!).
+        """
+        out, err = self.run_embedded_interpreter("initialize_twice")
+        self.assertEqual(out, '')
+        self.assertEqual(err, '')
+
 
 if __name__ == "__main__":
     unittest.main()