()
return re.compile(first_line_re.pattern.decode())
Return a regular expression based on first_line_re suitable for matching
    strings.
Return a regular expression based on first_line_re suitable for matching
    strings.
Return a regular expression based on first_line_re suitable for matching strings .
def _first_line_re():
    """
    Return a regular expression based on first_line_re suitable for matching
    strings.
    """
    if isinstance(first_line_re.pattern, str):
        return first_line_re

    # first_line_re in Python >=3.1.4 and >=3.2.1 is a bytes pattern.
    return re.compile(first_line_re.pattern.decode())
def _first_line_re ( ) : if isinstance ( first_line_re . pattern , str ) : return first_line_re # first_line_re in Python >=3.1.4 and >=3.2.1 is a bytes pattern. return re . compile ( first_line_re . pattern . decode ( ) )