Add post: pip error with el capitan

_posts/2015-10-16-virtualenvwrapper-osx-el-capitan.md

@@ -0,0 +1,25 @@
+---
+layout: post
+title: "OSX El Capitan: pip install virtualenvwrapper error"
+author:
+  display_name: sipp11
+  login: sipp11
+  email: sipp11@gmail.com
+  url: ''
+author_login: sipp11
+author_email: sipp11@gmail.com
+date: Oct 15, 2015
+tags:
+- python
+- error
+---
+
+I faced the problem that `pip` had no permission over some weird directories and installation failed. That happened with me when `pip install virtualenvwrapper` 
+
+To make it work, dealing with its dependancies manually is a must.
+
+	sudo pip install pbr
+	sudo pip install --no-deps stevedore
+	sudo pip install --no-deps virtualenvwrapper
+
+Your `virtualenvwrapper` should work as it should.