[BUG] can't run dashboard : MouduleNotFound 'dash.long_callback'

[xycool]

I'm getting the following error after installation and running dashboard.

How can I fix it?

Here is a error sceencapture

• OS: windows 11, python 12.3
• Merlion Version : 2.0.2

The same error occurs in my Ubuntu environment on WSL.

[nbuggenhout]

Same error on my end:

➜ sensor.anomaly_detector [venv] python -m merlion.dashboard
Traceback (most recent call last):
File "/Users/user/.pyenv/versions/3.8.19/lib/python3.8/runpy.py", line 194, in _run_module_as_main
return _run_code(code, main_globals, None,
File "/Users/user/.pyenv/versions/3.8.19/lib/python3.8/runpy.py", line 87, in _run_code
exec(code, run_globals)
File "/Users/user/.pyenv/versions/sensor.anomaly_detector38/lib/python3.8/site-packages/merlion/dashboard/main.py", line 7, in
from merlion.dashboard.server import app
File "/Users/user/.pyenv/versions/sensor.anomaly_detector38/lib/python3.8/site-packages/merlion/dashboard/server.py", line 19, in
from merlion.dashboard.callbacks import data
File "/Users/user/.pyenv/versions/sensor.anomaly_detector38/lib/python3.8/site-packages/merlion/dashboard/callbacks/data.py", line 16, in
from merlion.dashboard.utils.file_manager import FileManager
File "/Users/user/.pyenv/versions/sensor.anomaly_detector38/lib/python3.8/site-packages/merlion/dashboard/utils/file_manager.py", line 12, in
from dash.long_callback import DiskcacheLongCallbackManager
ModuleNotFoundError: No module named 'dash.long_callback'

• OS: MacOS Sequoia 15.3.2
• Merlion Version: 2.0.2
• Virtual environment built using pyenv, tested with Python versions 3.8.19, 3.9.19, 3.12.7

[dev4f]

long_callback is obsolete, use old version to work around or wait for update.

`
pip install 'dash_bootstrap_components<=1.7.1' --force-reinstall

pip install 'dash<=2.18.0' --force-reinstall
`

[nbuggenhout]

Thanks, problem solved.

[thisismygitrepo]

@dev4f shouldn't you guys lock the versions so it works forever?