Remove f-string in test
@@ -14,7 +14,7 @@ def test_version(capsys):
"""
with pytest.raises(SystemExit):
make_r2d(['--version'])
- assert capsys.readouterr().out == f"{__version__}\n"
+ assert capsys.readouterr().out == "{}\n".format(__version__)
def test_simple():
"""
