Index: lib2to3/tests/test_fixers.py
===================================================================
--- lib2to3/tests/test_fixers.py	(revision 73162)
+++ lib2to3/tests/test_fixers.py	(working copy)
@@ -3324,6 +3324,10 @@
         b = """x = buffer(y)"""
         a = """x = memoryview(y)"""
         self.check(b, a)
+    def test_slicing(self):
+        b = """x = buffer(y)[1:4]"""
+        a = """x = memoryview(y)[1:4]"""
+        self.check(b, a)