@_modify_str_or_docstring
    def u_format(s):
        return s.format(u='')
Applies a sign to the expression or number.
dataset/ETHPy150Open PythonCharmers/python-future/docs/3rd-party-py3k-compat-code/ipython_py3compat.py/u_format--crossover with--dataset/ETHPy150Open igordejanovic/Arpeggio/examples/calc/calc.py/CalcVisitor.visit_factor