# from roboticstoolbox.backends.PyPlot import *   # noqa
# from roboticstoolbox.backends.Swift import *   # noqa
# from roboticstoolbox.backends.ROS import *   # noqa
# print("about to import VP")
# try:
#     from roboticstoolbox.backends.VPython import *   # noqa
# except ImportError as e:    # pragma nocover
#     print("failed to import VPython", e)
#     pass
# print("VP imported")