python SSL/TLS 报错

报错1(python -m ensurepip)：Ignoring ensurepip failure: pip 6.1.1 requires SSL/TLS

报错2(easy_install)：Searching for ipython
Reading https://pypi.python.org/simple/ipython/
Download error on https://pypi.python.org/simple/ipython/: unknown url type: https -- Some packages may not be found!
Couldn't find index page for 'ipython' (maybe misspelled?)
Scanning index of all packages (this may take a while)
Reading https://pypi.python.org/simple/
Download error on https://pypi.python.org/simple/: unknown url type: https -- Some packages may not be found!
No local packages or working download links found for ipython
error: Could not find suitable distribution for Requirement.parse('ipython')

报错3（pip）：pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.
Collecting ipython
  Could not fetch URL https://pypi.python.org/simple/ipython/: There was a problem confirming the ssl certificate: Can't connect to HTTPS URL because the SSL module is not available. - skipping
  Could not find a version that satisfies the requirement ipython (from versions: )
No matching distribution found for ipython

解决方案：

1.yum install openssl-devel 

2.重新编译安装Python