FileNotFoundError: [WinError 2] 系统找不到指定的文件。

[290971393]

(lmql) C:\Users\ssyysyx\Desktop\lmql>lmql playground
[lmql playground C:\Users\ssyysyx.conda\envs\lmql\lib\site-packages, liveserver=localhost:3004, ui=localhost:3000]
Traceback (most recent call last):
File "C:\Users\ssyysyx.conda\envs\lmql\lib\runpy.py", line 196, in _run_module_as_main
return _run_code(code, main_globals, None,
File "C:\Users\ssyysyx.conda\envs\lmql\lib\runpy.py", line 86, in run_code
exec(code, run_globals)
File "C:\Users\ssyysyx.conda\envs\lmql\Scripts\lmql.exe_main.py", line 7, in
File "C:\Users\ssyysyx.conda\envs\lmql\lib\site-packages\lmql\cli.py", line 260, in main
command0
File "C:\Users\ssyysyx.conda\envs\lmql\lib\site-packages\lmql\cli.py", line 127, in cmd_playground
if subprocess.call(["yarn", "--version"]) != 0:
File "C:\Users\ssyysyx.conda\envs\lmql\lib\subprocess.py", line 345, in call
with Popen(*popenargs, **kwargs) as p:
File "C:\Users\ssyysyx.conda\envs\lmql\lib\subprocess.py", line 971, in init
self._execute_child(args, executable, preexec_fn, close_fds,
File "C:\Users\ssyysyx.conda\envs\lmql\lib\subprocess.py", line 1456, in _execute_child
hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
FileNotFoundError: [WinError 2] 系统找不到指定的文件。