def displayGlyph(self, glyph_num):
    assert glyph_num >= 0 and glyph_num < 8, "only 0-7 are valid glyphs"
    self.writeData(glyph_num)
Test setup, which essentially means to empty the database
dataset/ETHPy150Open graycatlabs/PyBBIO/bbio/libraries/LiquidCrystal/LiquidCrystal.py/LiquidCrystal.displayGlyph--crossover with--dataset/ETHPy150Open SpriteLink/NIPAP/tests/nipaptest.py/TestCliPrefixAutoType.setUp