www/src/py_string.js
function(val, upper, flags){
    val = _float_helper(val, flags)

    return format_padding(format_sign(val, flags) +
        format_float_precision(val, upper, flags, _floating_exp_helper), flags)
}
function(val, upper, flags){
    val = _float_helper(val, flags)

    return format_padding(format_sign(val, flags) +
        format_float_precision(val, upper, flags, _floating_exp_helper), flags)
}
eE