Add python_requires, to prevent installation on unsupported Python versions
@@ -66,6 +66,7 @@ setup_args = dict(
license = 'BSD',
platforms = "Linux, Mac OS X, Windows",
keywords = ['Interactive', 'Interpreter', 'Shell'],
+ python_requires = '>= 3.6',
install_requires = [
'traitlets',
'ipython_genutils',
