canot start project

[bobwatcherx]

i have problem to run flet hot reload

yesterday i run flet but no problem .

but the next day why the flet can't work

I've tried uninstalling and reinstalling flet and python
but the result is still the same
pip version

root@ubuntux-Lenovo-V145-14AST:/home/ubuntux/belajar/fletapp/app2# pip3 --version
pip 22.0.2 from /usr/lib/python3/dist-packages/pip (python 3.10)

python version

root@ubuntux-Lenovo-V145-14AST:/home/ubuntux/belajar/fletapp/app2# python3
Python 3.10.6 (main, Nov  2 2022, 18:53:38) [GCC 11.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> 

flet errorr log

root@ubuntux-Lenovo-V145-14AST:/home/ubuntux/belajar/fletapp/app2# flet -d basic.py 
http://127.0.0.1:51405
Exception in thread Thread-5 (open_flet_view_and_wait):
Traceback (most recent call last):
  File "/usr/lib/python3.10/threading.py", line 1016, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.10/threading.py", line 953, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.10/dist-packages/flet/flet.py", line 585, in open_flet_view_and_wait
    self.fvp = _open_flet_view(self.page_url, self.hidden)
  File "/usr/local/lib/python3.10/dist-packages/flet/flet.py", line 444, in _open_flet_view
    return subprocess.Popen(args, env=flet_env)
  File "/usr/lib/python3.10/subprocess.py", line 969, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "/usr/lib/python3.10/subprocess.py", line 1845, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: '/tmp/flet-0.1.63/flet/flet'

code :

import flet
from flet import IconButton, Page, Row, TextField, icons

def main(page: Page):
    page.title = "Flet counter example"
    page.vertical_alignment = "center"

    txt_number = TextField(value="0", text_align="right", width=100)

    def minus_click(e):
        txt_number.value = int(txt_number.value) - 1
        page.update()

    def plus_click(e):
        txt_number.value = int(txt_number.value) + 1
        page.update()

    page.add(
        Row(
            [
                IconButton(icons.REMOVE, on_click=minus_click),
                txt_number,
                IconButton(icons.ADD, on_click=plus_click),
            ],
            alignment="center",
        )
    )

flet.app(target=main)

[FeodorFitsner]

What do you have in /tmp/flet-0.1.63 directory? Could you run ls -alR /tmp/flet-0.1.63 and paste results here?