diff --git a/autotest/t007_test.py b/autotest/t007_test.py
index 22a7ed9c43..ca62ea6294 100644
--- a/autotest/t007_test.py
+++ b/autotest/t007_test.py
@@ -975,17 +975,17 @@ def test_vertex_model_dot_plot():
                                            exe_name="mf6",
                                            sim_ws=sim_path)
     disv_ml = disv_sim.get_model('gwf_1')
-
-    ax = disv_ml.plot()
-
-    assert ax
+    if sys.version_info[0] > 2:
+        ax = disv_ml.plot()
+        assert ax
 
 
 def test_model_dot_plot():
     loadpth = os.path.join('..', 'examples', 'data', 'secp')
     ml = flopy.modflow.Modflow.load('secp.nam', model_ws=loadpth)
-    ax = ml.plot()
-    assert ax
+    if sys.version_info[0] > 2:
+        ax = ml.plot()
+        assert ax
 
 
 def test_get_rc_from_node_coordinates():