def test_view_delattr(attr, subset_func):
    base = gen_adata((10, 10))
    orig_hash = joblib.hash(base)
    subset = base[subset_func(base.obs_names), subset_func(base.var_names)]
    empty = ad.AnnData(obs=subset.obs[[]], var=subset.var[[]])

    delattr(subset, attr)

    assert not subset.is_view
    # Should now have same value as default
    assert_equal(getattr(subset, attr), getattr(empty, attr))
    assert orig_hash == joblib.hash(base)  # Original should not be modified
def test():
    frame = Frame()
    frame.pack(fill=BOTH, expand=YES)
    if os.name == "nt":
        # Set default font for all widgets; use Windows typical default
        frame.option_add("*font", "Tahoma 8")
    # The editors
    entry = DiacriticalEntry(frame)
    entry.pack(fill=BOTH, expand=YES)
    text = DiacriticalText(frame, width=76, height=25, wrap=WORD)
    if os.name == "nt":
        # But this looks better than the default set above
        text.config(font="Arial 10")
    text.pack(fill=BOTH, expand=YES)
    text.focus()
    frame.master.title("Diacritical Editor")
    frame.mainloop()