Traceback (most recent call last):
  File "/home/pic/hadk/.repo/repo/main.py", line 627, in <module>
    _Main(sys.argv[1:])
  File "/home/pic/hadk/.repo/repo/main.py", line 603, in _Main
    result = run()
  File "/home/pic/hadk/.repo/repo/main.py", line 596, in <lambda>
    run = lambda: repo._Run(name, gopts, argv) or 0
  File "/home/pic/hadk/.repo/repo/main.py", line 262, in _Run
    result = cmd.Execute(copts, cargs)
  File "/home/pic/hadk/.repo/repo/subcmds/sync.py", line 1008, in Execute
    ssh_proxy.sock()
  File "/home/pic/hadk/.repo/repo/ssh.py", line 270, in sock
    if version() < (6, 7):
  File "/home/pic/hadk/.repo/repo/ssh.py", line 54, in version
    return _parse_ssh_version()
  File "/home/pic/hadk/.repo/repo/ssh.py", line 42, in _parse_ssh_version
    ver_str = _run_ssh_version()
  File "/home/pic/hadk/.repo/repo/ssh.py", line 36, in _run_ssh_version
    return subprocess.check_output(['ssh', '-V'], stderr=subprocess.STDOUT).decode()
  File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.6/subprocess.py", line 423, in run
    with Popen(*popenargs, **kwargs) as process:
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1364, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: 'ssh': 'ssh'