@ -287,7 +287,7 @@ class TestInstallNBExtension(TestCase):
with TemporaryDirectory() as d:
f = u'ƒ.js'
src = pjoin(d, f)
dest_f = 'ƒile.js'
dest_f = u'ƒile.js'
touch(src)
install_nbextension({dest_f: src})
self.assert_installed(dest_f)