Could not fetch URL https://pypi.python.org/simple/django/: There was a problem confirming the ssl certificate: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:661) – skipping

https://github.com/pypa/pip/issues/5226

Collecting django==1.8.14 (from -r pos_python_server/deploy/pip/pip-requirement/base.txt (line 1))
Could not fetch URL https://pypi.python.org/simple/django/: There was a problem confirming the ssl certificate: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:661) – skipping
Could not find a version that satisfies the requirement django==1.8.14 (from -r pos_python_server/deploy/pip/pip-requirement/base.txt (line 1)) (from versions: )
No matching distribution found for django==1.8.14 (from -r pos_python_server/deploy/pip/pip-requirement/base.txt (line 1))
(ENV) xumx-pc:PycharmProjects huanglh$ curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1603k 100 1603k 0 0 5335k 0 –:–:– –:–:– –:–:– 5346k
(ENV) xumx-pc:PycharmProjects huanglh$ python get-pip.py
Collecting pip
Downloading https://files.pythonhosted.org/packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl (1.3MB)
100% |################################| 1.3MB 5.6MB/s
Installing collected packages: pip
Found existing installation: pip 9.0.1
Uninstalling pip-9.0.1:
Successfully uninstalled pip-9.0.1
Successfully installed pip-10.0.1
(ENV) xumx-pc:PycharmProjects huanglh$ pip install -r /deploy/pip/pip-requirement/dev.txt
Collecting django==1.8.14 (from -r /deploy/pip/pip-requirement/base.txt (line 1))
Downloading https://files.pythonhosted.org/packages/12/13/66eeba22d40f86d6cecc5a12784ae84b53f2ba171c448b1646ede25a99cd/Django-1.8.14-py2.py3-none-any.whl (6.2MB)
100% |################################| 6.2MB 2.2MB/s
Collecting blinker (from -r /deploy/pip/pip-requirement/base.txt (line 2))
Downloading https://files.pythonhosted.org/packages/1b/51/e2a9f3b757eb802f61dc1f2b09c8c99f6eb01cf06416c0671253536517b6/blinker-1.4.tar.gz (111kB)
100% |################################| 112kB 2.8MB/s
Collecting croniter (from -r /deploy/pip/pip-requirement/base.txt (line 3))