Removing incorrect semi colon.

Author: Tom Galloway

market/tests/test_protocol.py

@@ -25,4 +25,4 @@ def test_add_listener_correctly(self):
 
     def test_rpc_get_image_invalid_image_hash(self):
         mp = MarketProtocol(self.node, self.router, 0, 0)
-        self.assertRaises(Exception, mp.rpc_get_image(mknode(), "invalid_hash"));
+        self.assertRaises(Exception, mp.rpc_get_image(mknode(), "invalid_hash"))