def shell_out_ignore_exitcode(cmd, stderr=STDOUT, cwd=None):
    try:
        return shell_out(cmd, stderr=stderr, cwd=cwd)
    except CalledProcessError as c:
        return _clean_output(c.output)
Same as shell_out but doesn't raise if the cmd exits badly.
dataset/ETHPy150Open hayd/pep8radius/pep8radius/shell.py/shell_out_ignore_exitcode