skip matplotlib tests

regions/shapes/tests/test_circle.py

@@ -1,5 +1,6 @@
 from astropy import units as u
 from astropy.coordinates import SkyCoord
+from astropy.tests.helper import pytest
 from astropy.utils.data import get_pkg_data_filename
 from astropy.io.fits import getheader
 from astropy.wcs import WCS
@@ -8,6 +9,12 @@
 from ..circle import CirclePixelRegion, CircleSkyRegion
 from ...core import PixCoord
 
+try:
+    import matplotlib
+    HAS_MATPLOTLIB = True
+except:
+    HAS_MATPLOTLIB = False
+
 
 def test_init_pixel():
     pixcoord = PixCoord(3, 4)
@@ -19,6 +26,7 @@ def test_init_sky():
 
 
 # Todo : restructure test to use same circle everywhere
+@pytest.mark.skipif('not HAS_MATPLOTLIB')
 def test_plot():
     import matplotlib.pyplot as plt
 
@@ -34,4 +42,4 @@ def test_plot():
 
     assert_allclose(p.center[0], skycoord.icrs.ra.value)
     assert_allclose(p.center[1], skycoord.icrs.dec.value)
-    assert p.get_facecolor() == (1, 0, 0, 0.6)
+    assert p.get_facecolor() == (1, 0, 0, 0.6)