Add missing to test_plot_peridogram()
# Licensed under a 3-clause BSD style license - see LICENSE.rst
from __future__ import absolute_import, division, print_function, unicode_literals
import pytest
+from ...utils.testing import requires_dependency
from ..period import robust_periodogram
from ..plot_periodogram import plot_periodogram
from .test_period import simulate_test_data, fap_astropy
pytest.importorskip("astropy", "3.0")
-
+@requires_dependency("matplotlib")
def test_plot_periodogram():
pars = dict(
period=7,
