import pvsimple
my_paravis = paravis.myParavis
-picturedir = get_picture_dir(sys.argv[1], "bugs/C7")
+os.environ["PARAVIS_TEST_PICS"] = sys.argv[1]
+picturedir = get_picture_dir("bugs/C7")
# 1. Import MED file
med_file_path = datadir + "Bug583-Quadratique.resu.med"