Silence some py3k warnings claiming to affect _pyio

diff --git a/Lib/test/test_memoryio.py b/Lib/test/test_memoryio.py
index a69caaed4b5d43e43fb13e81b973479c182f51c1..d6bff67d6928f9fe35cf1161d89da742cd9d70d3 100644 (file)
--- a/Lib/test/test_memoryio.py
+++ b/Lib/test/test_memoryio.py
@@ -129,7 +129,9 @@ class MemoryTestMixin:
         pos = memio.tell()
         self.assertEqual(memio.truncate(None), pos)
         self.assertEqual(memio.tell(), pos)
-        self.assertRaises(TypeError, memio.truncate, '0')
+        # Silence a py3k warning
+        with support.check_warnings():
+            self.assertRaises(TypeError, memio.truncate, '0')
         memio.close()
         self.assertRaises(ValueError, memio.truncate, 0)
 
@@ -165,7 +167,9 @@ class MemoryTestMixin:
         self.assertEqual(type(memio.read()), type(buf))
         memio.seek(0)
         self.assertEqual(memio.read(None), buf)
-        self.assertRaises(TypeError, memio.read, '')
+        # Silence a py3k warning
+        with support.check_warnings():
+            self.assertRaises(TypeError, memio.read, '')
         memio.close()
         self.assertRaises(ValueError, memio.read)