Issue #13411: memoryview objects are now hashable when the underlying object is hashable.
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index c99f4d7..ba0b592 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -770,8 +770,8 @@
         check(int(PyLong_BASE), size(vh) + 2*self.longdigit)
         check(int(PyLong_BASE**2-1), size(vh) + 2*self.longdigit)
         check(int(PyLong_BASE**2), size(vh) + 3*self.longdigit)
-        # memory
-        check(memoryview(b''), size(h + 'PP2P2i7P'))
+        # memory (Py_buffer + hash value)
+        check(memoryview(b''), size(h + 'PP2P2i7P' + 'P'))
         # module
         check(unittest, size(h + '3P'))
         # None