add isort:skip at test_style.py

Author: thoo

pandas/tests/io/formats/test_style.py

@@ -11,9 +11,8 @@
 from pandas import DataFrame
 import pandas.util.testing as tm
 
-from pandas.io.formats.style import Styler, _get_level_lengths  # noqa
-
 jinja2 = pytest.importorskip('jinja2')
+from pandas.io.formats.style import Styler, _get_level_lengths  # noqa  # isort:skip
 
 
 class TestStyler(object):