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slightly more helpful message

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adam j hartz 2016-06-02 11:58:47 -04:00
parent a470cdc067
commit 9df79e4162
1 changed files with 2 additions and 1 deletions
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3
xonsh/completers/_aliases.py
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@ -65,7 +65,8 @@ def register_completer(args, stdin=None):
if '--help' in args or '-h' in args:
return _register_help_str
if len(args) not in {2, 3}:
err = "register-completer takes either 2 or 3 arguments."
err = ("register-completer takes either 2 or 3 arguments.\n"
"For help, run: register-completer --help")
else:
name = args[0]
func = args[1]