the warning is just as follows
E:\Tools>pip install virtualenv Downloading/unpacking virtualenv Downloading virtualenv-1.6.4.tar.gz (1.9Mb): 1.9Mb downloaded Running setup.py egg_info for package virtualenv warning: no previously-included files matching '*.*' found under directory ' docs\_templates' Installing collected packages: virtualenv Running setup.py install for virtualenv warning: no previously-included files matching '*.*' found under directory ' docs\_templates' Installing virtualenv-script.py script to E:\Tools\gov\tools\py_build\Script s Installing virtualenv.exe script to E:\Tools\gov\tools\py_build\Scripts Installing virtualenv.exe.manifest script to E:\Tools\gov\tools\py_build\Scr ipts Successfully installed virtualenv Cleaning up... -- http://mail.python.org/mailman/listinfo/python-list