This stops the virtual env name from being printed before it is actually being used in the zsh prompt.
@@ -7,6 +7,8 @@
# git untracked files modification from Brian Carper:
# http://briancarper.net/blog/570/git-info-in-your-zsh-prompt
+export VIRTUAL_ENV_DISABLE_PROMPT=1
+
function virtualenv_info {
[ $VIRTUAL_ENV ] && echo '('$fg[blue]`basename $VIRTUAL_ENV`%{$reset_color%}') '
}