Fix some code_lines issues

test/test_api/test_api.py

@@ -165,7 +165,7 @@ def test_get_line_code(Script):
     # On custom code
     first_line = 'def foo():\n'
     line = '    foo'
-    code = '%s%s' % (first_line, line)
+    code = first_line + line
     assert get_line_code(code) == first_line
 
     # With before/after

test/test_evaluate/test_stdlib.py

@@ -84,5 +84,5 @@ def test_namedtuple_goto_definitions(Script):
 
     d1, = Script(source).goto_definitions()
 
-    assert d1.get_line_code() == "class Foo(tuple):"
+    assert d1.get_line_code() == "class Foo(tuple):\n"
     assert d1.module_path is None