pydata.sh: Prevent running the script with sudo.

pydata.sh

@@ -1,12 +1,10 @@
 #!/usr/bin/env bash
 
-# ~/.pydata
+# ~/pydata.sh
 
-# Ask for the administrator password upfront
-sudo -v
-
-# Keep-alive: update existing `sudo` time stamp until the script has finished
-while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &
+# Removed user's cached credentials
+# This script might be run with .dots, which uses elevated privileges
+sudo -K
 
 echo "------------------------------"
 echo "Setting up pip."
@@ -22,8 +20,8 @@ echo "------------------------------"
 echo "Setting up virtual environments."
 
 # Install virtual environments globally
-sudo pip install virtualenv
-sudo pip install virtualenvwrapper
+pip install virtualenv
+pip install virtualenvwrapper
 
 echo "------------------------------"
 echo "Source virtualenvwrapper from ~/.extra"