Don't load pfunctions from vi swap files

init.zsh

@@ -25,7 +25,7 @@ unset min_zsh_version
 function pmodload {
   local -a pmodules
   local pmodule
-  local pfunction_glob='^([_.]*|prompt_*_setup|README*)(-.N:t)'
+  local pfunction_glob='^([_.]*|prompt_*_setup|README*|*~)(-.N:t)'
 
   # $argv is overridden in the anonymous function.
   pmodules=("$argv[@]")