diff --git a/speclite/filters.py b/speclite/filters.py
index 93c0fb7..96eb0dc 100644
--- a/speclite/filters.py
+++ b/speclite/filters.py
@@ -226,8 +226,6 @@
 default_flux_unit : :class:`astropy.units.Unit`
     The default units for spectral flux density per unit wavelength.
 """
-from __future__ import print_function, division # pragma: no cover
-
 import os
 import os.path
 import glob
@@ -1769,7 +1767,7 @@ def pad_spectrum(self, spectrum, wavelength, axis=-1, method='median'):
         padded_wavelength = np.asanyarray(wavelength)
         for response in sorted_responses:
             padded_spectrum, padded_wavelength = response.pad_spectrum(
-                padded_spectrum, padded_wavelength)
+                padded_spectrum, padded_wavelength, method=method)
         return padded_spectrum, padded_wavelength
 
 
diff --git a/speclite/tests/test_filters.py b/speclite/tests/test_filters.py
index 5be7916..ec1cbe1 100644
--- a/speclite/tests/test_filters.py
+++ b/speclite/tests/test_filters.py
@@ -529,6 +529,11 @@ def test_load_filters():
 def test_plot_filters():
     plot_filters(load_filters('sdss2010-r'))
     plot_filters(load_filters('sdss2010-g', 'sdss2010-r'))
+    # legend_loc=None turns off the legend.
+    plot_filters(load_filters('sdss2010-g', 'sdss2010-r'), legend_loc=None)
+    # Since legend_ncols has a default value, it's not clear why
+    # legend_ncols=None would ever be set. It is *not* the same as legend_loc=None.
+    plot_filters(load_filters('sdss2010-g', 'sdss2010-r'), legend_ncols=None)
     plot_filters(load_filters('sdss2010-g', 'sdss2010-r'), legend_ncols=2)
     plot_filters(load_filters('sdss2010-g', 'sdss2010-r'), response_limits=[0, 0.6])