--- a/src/relpipe-tr-python.cpp	Fri Dec 14 02:03:24 2018 +0100
+++ b/src/relpipe-tr-python.cpp	Fri Dec 14 02:24:33 2018 +0100
@@ -47,7 +47,7 @@
 
 	try {
 		std::shared_ptr<RelationalReader> reader(Factory::create(std::cin));
-		GrepHandler handler(std::cout, cli.arguments());
+		PythonHandler handler(std::cout, cli.arguments());
 		reader->addHandler(&handler);
 		reader->process();