当我尝试使用pip3安装paramiko失败时， 以下是终端的输出
Downloading/unpacking paramiko
Downloading paramiko-2.4.1-py2.py3-none-any.whl (194kB): 194kB
downloaded
Downloading/unpacking cryptography>=1.5 (from paramiko)
Downloading cryptography-2.2.2.tar.gz (443kB): 443kB downloaded
Running setup.py (path:/tmp/pip_build_root/cryptography/setup.py)
egg_info for package cryptography
Traceback (most recent call last):
File "<string>", line 17, in <module>
File "/tmp/pip_build_root/cryptography/setup.py", line 28, in
<module>
"cryptography requires setuptools 18.5 or newer, please upgrade to
a "
RuntimeError: cryptography requires setuptools 18.5 or newer, please
upgrade to a newer version of setuptools
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 17, in <module>
File "/tmp/pip_build_root/cryptography/setup.py", line 28, in <module>
"cryptography requires setuptools 18.5 or newer, please upgrade to a "
RuntimeError: cryptography requires setuptools 18.5 or newer, please
upgrade to a newer version of setuptools
----------------------------------------
Cleaning up...
Command python setup.py egg_info failed with error code 1 in
/tmp/pip_build_root/cryptography
Storing debug log for failure in /root/.pip/pip.log
我尝试升级设置工具，但仍然存在问题。
预先感谢