Traceback (most recent call last):


 "/usr/bin/pip3", line 5, in <module>

from pkg_resources import load_entry_point


 "/usr/local/lib/python3.4/dist-packages/pkg_resources/__init__.py", line 70, in <module>

import packaging.version
ImportError: No module named 'packaging'

Traceback (most recent call last):


 "/usr/local/lib/python3.6/site-packages/urllib3/connection.py", line 141, in _new_conn

(self.host, self.port), self.timeout, **extra_kw)


 "/usr/local/lib/python3.6/site-packages/urllib3/util/connection.py", line 83, in create_connection

raise err


 "/usr/local/lib/python3.6/site-packages/urllib3/util/connection.py", line 73, in create_connection

sock.connect(sa)
ConnectionRefusedError: [Errno 61] Connection refused
