python virtualenv is not creating - python-2.7

Question

i want to create python virtualenv with python version 2.7.6 but there is error as follow , even i wanted to reinstall pip but it showed that pip is of latest version:
$ virtualenv cow-env
New python executable in cow-env/bin/python Installing setuptools,
pip...
Complete output from command /home/cow/cow/cow-env/bin /python -c "import sys, pip; sys...d\"] + sys.argv[1:]))" setuptools pip:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/share/python-virtualenv/pip-1.5debian1-py2.py3-
none-any.whl /pip/__init__.py", line 10, in <module>
File "/usr/share/python-virtualenv/pip-1.5debian1-py2.py3-none-any.whl
/pip/util.py", line 18, in <module>
File "/usr/share/python-virtualenv/pip-1.5debian1-py2.py3-none-any.whl
/pip/_vendor/distlib/version.py", line 14, in <module>
File "/usr/share/python-virtualenv/pip-1.5debian1-py2.py3-none-any.whl
/pip/_vendor/distlib/compat.py", line 31, in <module>
ImportError: cannot import name HTTPSHandler
----------------------------------------
...Installing setuptools, pip...done.
Traceback (most recent call last):
File "/usr/bin/virtualenv", line 3, in <module>
virtualenv.main()
File "/usr/lib/python2.7/dist-packages/virtualenv.py", line 825, in main
symlink=options.symlink)
File "/usr/lib/python2.7/dist-packages/virtualenv.py", line 993, in
create_environment
install_wheel(to_install, py_executable, search_dirs)
File "/usr/lib/python2.7/dist-packages/virtualenv.py", line 961, in
install_wheel
'PIP_NO_INDEX': '1'
File "/usr/lib/python2.7/dist-packages/virtualenv.py", line 903,
in call_subprocess
% (cmd_desc, proc.returncode))
OSError: Command /home/cow/cow/cow-env/bin/python -c "import sys,pip; sys...d\"] + sys.argv[1:]))" setuptools pip failed with error code 1
output of $pip --version is as follow:
Traceback (most recent call last):
File "/usr/local/bin/pip", line 7, in <module>
from pip import main
File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 60, in <module>
from pip.util import get_installed_distributions, get_prog
File "/usr/lib/python2.7/dist-packages/pip/util.py", line 19, in <module>
from distlib import version
File "/usr/share/python-wheels/distlib-0.1.8-py2.py3-none-any.whl /distlib/version.py", line 14, in <module>
File "/usr/share/python-wheels/distlib-0.1.8-py2.py3-none-any.whl /distlib/compat.py", line 31, in <module>
ImportError: cannot import name HTTPSHandler

Answer 1

this issue has been resolved by reinstalling the libpython2.7-stdlib package.
sudo apt-get --reinstall install libpython2.7-stdlib
this re installation placed the missing file _ssl.so in /usr/lib/python2.7/lib-dynload.