Line 481 causes an error if you call a function with no parameters, for example, `test.ping`:

```pytb
IndexError: list index out of range                                                    
Traceback (most recent call last):                                                     
  File "/usr/bin/salt-ssh", line 10, in <module>                                       
    salt_ssh()                                                                         
  File "/usr/lib/python2.7/dist-packages/salt/scripts.py", line 110, in salt_ssh       
    client.run()                                                                       
  File "/usr/lib/python2.7/dist-packages/salt/cli/__init__.py", line 408, in run       
    ssh.run()                                                                          
  File "/usr/lib/python2.7/dist-packages/salt/client/ssh/__init__.py", line 484, in run
    args = [cmd_args[1]]                                                               
IndexError: list index out of range
```

I have no idea if leaving this comment here will lead to a fix, but…