1c4997f5cada6f1ff1f205b20cf321cfc6b6d347

 1diff --git a/plugins/pip/_pip b/plugins/pip/_pip
 2index 8c03d85192ee9932006aa78b440ed9a34ad2eea2..07d37c80e547083e401381ad3159fdbceb0ffdbf 100644
 3--- a/plugins/pip/_pip
 4+++ b/plugins/pip/_pip
 5@@ -4,7 +4,10 @@
 6 # pip zsh completion, based on homebrew completion
 7 
 8 _pip_all() {
 9-  all_pkgs=(`pip search * | cut -d ' ' -f 1 | tr '[A-Z]' '[a-z]'`)
10+  # we cache the list of packages (originally from the macports plugin)
11+  if (( ! $+piplist )); then
12+	piplist=($(pip search * | cut -d ' ' -f 1 | tr '[A-Z]' '[a-z]'))
13+  fi
14 }
15 
16 _pip_installed() {
17@@ -62,7 +65,7 @@ case "$words[1]" in
18      
19       if [[ "$state" == packages ]]; then
20         _pip_all
21-        _wanted all_pkgs expl 'packages' compadd -a all_pkgs
22+        _wanted piplist expl 'packages' compadd -a piplist
23       fi ;;
24   uninstall)
25     _pip_installed