安装tldr出错ERROR:Commanderroredoutwithexitstatus1:pythonsetup.pyegg_infoCheckthelogsforf

File "/tmp/pip-build-G9yO9Z/tldr/setuptools_scm-3.3.3-py2.7.egg/setuptools_scm/integration.py", line 9, in version_keyword
      File "/tmp/pip-build-G9yO9Z/tldr/setuptools_scm-3.3.3-py2.7.egg/setuptools_scm/version.py", line 66, in _warn_if_setuptools_outdated
    setuptools_scm.version.SetuptoolsOutdatedWarning: your setuptools is too old (<12)
    
    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-G9yO9Z/tldr/
You are using pip version 8.1.2, however version 19.2.1 is available.
You should consider upgrading via the "pip install --upgrade pip" command.File "/tmp/pip-build-G9yO9Z/tldr/setuptools_scm-3