결정트리에서 graphviz로 해석하는 경우

FileNotFoundError                         Traceback (most recent call last)
File c:\python38\lib\site-packages\graphviz\backend\execute.py:79, in run_check(cmd, input_lines, encoding, quiet, **kwargs)
     78         kwargs['stdout'] = kwargs['stderr'] = subprocess.PIPE
---> 79     proc = _run_input_lines(cmd, input_lines, kwargs=kwargs)
     80 else:

File c:\python38\lib\site-packages\graphviz\backend\execute.py:99, in _run_input_lines(cmd, input_lines, kwargs)
     98 def _run_input_lines(cmd, input_lines, *, kwargs):
---> 99     popen = subprocess.Popen(cmd, stdin=subprocess.PIPE, **kwargs)
    101     stdin_write = popen.stdin.write

File c:\python38\lib\subprocess.py:854, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, encoding, errors, text)
    851             self.stderr = io.TextIOWrapper(self.stderr,
    852                     encoding=encoding, errors=errors)
--> 854     self._execute_child(args, executable, preexec_fn, close_fds,
    855                         pass_fds, cwd, env,
    856                         startupinfo, creationflags, shell,
    857                         p2cread, p2cwrite,
    858                         c2pread, c2pwrite,
    859                         errread, errwrite,
    860                         restore_signals, start_new_session)
    861 except:
    862     # Cleanup if the child failed starting.