def _cellrepr(value, allow_formulas):
    """
    Get a string representation of dataframe value.

    :param :value: the value to represent
    :param :allow_formulas: if True, allow values starting with '='
            to be interpreted as formulas; otherwise, escape
            them with an apostrophe to avoid formula interpretation.
    """
    if pd.isnull(value) is True:
        return ""
    if isinstance(value, float):
        value = repr(value)
    else:
        value = str(value)
    if (not allow_formulas) and value.startswith('='):
        value = "'%s" % value
    return value
def _cellrepr ( value , allow_formulas ) : if pd . isnull ( value ) is True : return "" if isinstance ( value , float ) : value = repr ( value ) else : value = str ( value ) if ( not allow_formulas ) and value . startswith ( '=' ) : value = "'%s" % value return value
Get a string representation of dataframe value.

    :param :value: the value to represent
    :param :allow_formulas: if True, allow values starting with '='
            to be interpreted as formulas; otherwise, escape
            them with an apostrophe to avoid formula interpretation.