Page 137: Should be mentioned that init.py should be double underscores
Page 141: _CUSTOM_ICONS should be mentioned that these are single
but with careful close attention one can compare the two and see the difference
Page 143: gives an explanation for the leading underscore
Page 137: Should be mentioned that init.py should be double underscores Page 141: _CUSTOM_ICONS should be mentioned that these are single but with careful close attention one can compare the two and see the difference Page 143: gives an explanation for the leading underscore