ssh error

gistfile1.txt

Traceback (most recent call last):
  File "/usr/bin/salt-call", line 21, in <module>
    main()
  File "/usr/bin/salt-call", line 17, in main
    client.run()
  File "/usr/lib/python2.7/site-packages/salt/cli/__init__.py", line 738, in run
    caller.run()
  File "/usr/lib/python2.7/site-packages/salt/cli/caller.py", line 112, in run
    ret = self.call()
  File "/usr/lib/python2.7/site-packages/salt/cli/caller.py", line 46, in call
    ret['return'] = self.minion.functions[fun](*args, **kw)
  File "/usr/lib/python2.7/site-packages/salt/modules/state.py", line 79, in highstate
    return st_.call_highstate()
  File "/usr/lib/python2.7/site-packages/salt/state.py", line 1230, in call_highstate
    return self.state.call_high(high)
  File "/usr/lib/python2.7/site-packages/salt/state.py", line 872, in call_high
    ret = self.format_verbosity(self.call_chunks(chunks))
  File "/usr/lib/python2.7/site-packages/salt/state.py", line 709, in call_chunks
    running = self.call_chunk(low, running, chunks)
  File "/usr/lib/python2.7/site-packages/salt/state.py", line 828, in call_chunk
    running = self.call_chunk(low, running, chunks)
  File "/usr/lib/python2.7/site-packages/salt/state.py", line 833, in call_chunk
    running[tag] = self.call(low)
  File "/usr/lib/python2.7/site-packages/salt/state.py", line 690, in call
    ret = self.states[cdata['full']](*cdata['args'])
  File "/usr/lib/python2.7/site-packages/salt/states/ssh_auth.py", line 76, in present
    config)
  File "/usr/lib/python2.7/site-packages/salt/modules/ssh.py", line 275, in set_auth_key
    current = auth_keys(user, config)
  File "/usr/lib/python2.7/site-packages/salt/modules/ssh.py", line 129, in auth_keys
    return _validate_keys(full)
  File "/usr/lib/python2.7/site-packages/salt/modules/ssh.py", line 145, in _validate_keys
    opts = ln.group(1)
AttributeError: 'NoneType' object has no attribute 'group'