1. Close Google Chrome Browser
2. Open Finder and Move to "~/Library/Application Support/Google/Chrome/Default/" Directory
3. and Delete 2 files. "Favicons", "Favicons-journal"
4. Start Google Chrome

pip installs packages. Python packages. An easy_install replacement

$ curl -O 
$ python get-pip.py
$ cd build/pip/pip
$ sudo python setup.py install
$ which pip
/usr/local/bin/pip
$ pip search webdav
...