#!/usr/bin/python

import sys
import subprocess

cmd = sys.argv[1]
new_args = sys.argv[2:] or []
subprocess.call(["pitz-%s" % cmd] + new_args)

@@ -42,16 +42,116 @@
 rocess%0A%0A
+def _help():%0A    subprocess.call(%5B'pitz-help'%5D)%0A    sys.exit(1)%0A%0Aif len(sys.argv) %3C 2:%0A    _help()%0A%0A
 cmd = sy
@@ -190,16 +190,25 @@
 %5D or %5B%5D%0A
+try:%0A    
 subproce
@@ -245,8 +245,43 @@
 w_args)%0A
+except OSError as exc:%0A    _help()%0A

Add at least a minimal exception handling (missing subcommand).