Merge pull request #1375 from dsx/better-pyclean

A slightly better pyclean

plugins/python/python.plugin.zsh

 # Find python file
 alias pyfind='find . -name "*.py"'
 
-# Remove python compiled byte-code
-alias pyclean='find . -type f -name "*.py[co]" -delete'
+# Remove python compiled byte-code in either current directory or in a
+# list of specified directories
+function pyclean() {
+    ZSH_PYCLEAN_PLACES=${*:-'.'}
+    find ${ZSH_PYCLEAN_PLACES} -type f -name "*.py[co]" -delete
+}
 
 # Grep among .py files
 alias pygrep='grep --include="*.py"'