def test_custom_classes_dont_share_methods():
    a = custom_viewer('a')
    b = custom_viewer('b')
    assert a._custom_functions is not b._custom_functions
Regression test for #479
dataset/ETHPy150Open glue-viz/glue/glue/viewers/custom/qt/tests/test_custom_viewer.py/test_custom_classes_dont_share_methods