@requires_ipython(2.0)
def test_webgl_loading():
 import IPython
 from distutils.version import LooseVersion
 from IPython.testing.globalipapp import get_ipython
 ipy = get_ipython()
 ipy.run_cell('from vispy import app')
 if (LooseVersion(IPython.__version__) >= LooseVersion('3.0.0')):
  ipy.run_cell('%load_ext vispy.ipython')
  ipy.run_cell('backend_name = app.use_app().backend_name')
  assert_equal(ipy.user_ns['backend_name'], 'ipynb_webgl')
 else:
  ipy.run_cell('%load_ext vispy.ipython')
  ipy.run_cell('backend_name = app.use_app().backend_name')
  def invalid_backend_access(ipy):
   ipy.user_ns['backend_name']
  assert_raises(KeyError, invalid_backend_access, ipy)

@ requires_ipython ( 2.0 ) def test_webgl_loading ( ) : import IPython from distutils . version import LooseVersion from IPython . testing . globalipapp import get_ipython ipy = get_ipython ( ) ipy . run_cell ( 'from vispy import app' ) if ( LooseVersion ( IPython . __version__ ) >= LooseVersion ( '3.0.0' ) ) : ipy . run_cell ( '%load_ext vispy.ipython' ) ipy . run_cell ( 'backend_name = app.use_app().backend_name' ) assert_equal ( ipy . user_ns [ 'backend_name' ] , 'ipynb_webgl' ) else : ipy . run_cell ( '%load_ext vispy.ipython' ) ipy . run_cell ( 'backend_name = app.use_app().backend_name' ) def invalid_backend_access ( ipy ) : ipy . user_ns [ 'backend_name' ] assert_raises ( KeyError , invalid_backend_access , ipy )
test if the vispy .