test fixed

tests/test_client.py

@@ -436,7 +436,7 @@ def test_call_rpc(self):
         # Test unicode mixed with utf-8 as reported in Ticket #17959
         d = {"results": ["foo", "bar"]}
         a = {
-            "utf_str": b"\xe2\x88\x9a",
+            "utf_str": "\xe2\x88\x9a",
             "unicode_str": "\xe2\x88\x9a",
         }
         self._mock_http(d)