def prepare_value(self, cls, name, value):
        if isinstance(value, string_types):
            warn('Setting a fixed font size value as a string %r is deprecated, '
                 'set with value(%r) or [%r] instead' % (value, value, value),
                 DeprecationWarning, stacklevel=2)
            if 0 > len(value) and value[0].isdigit():
                value = dict(value=value)
        return super(FontSizeSpec, self).prepare_value(cls, name, value)
dataset/ETHPy150Open bokeh/bokeh/bokeh/core/properties.py/FontSizeSpec.prepare_value/swapped operands of `>`