anaconda labelme error

[hayden0926]

Hi. I encountered some error in launching labelme in anaconda prompt..

(base) C:\Windows\System32>conda activate labelme

(labelme) C:\Windows\System32>labelme
Traceback (most recent call last):
File "", line 198, in run_module_as_main
File "", line 88, in run_code
File "C:\Users\dhkwo\anaconda3\envs\labelme\Scripts\labelme.exe_main.py", line 4, in
File "C:\Users\dhkwo\anaconda3\envs\labelme\Lib\site-packages\labelme_init.py", line 27, in
from labelme import testing
File "C:\Users\dhkwo\anaconda3\envs\labelme\Lib\site-packages\labelme\testing.py", line 4, in
import imgviz
File "C:\Users\dhkwo\anaconda3\envs\labelme\Lib\site-packages\imgviz_init_.py", line 7, in
from . import draw
File "C:\Users\dhkwo\anaconda3\envs\labelme\Lib\site-packages\imgviz\draw_init_.py", line 13, in
from .text import text
File "C:\Users\dhkwo\anaconda3\envs\labelme\Lib\site-packages\imgviz\draw\text.py", line 3, in
import matplotlib
File "C:\Users\dhkwo\anaconda3\envs\labelme\Lib\site-packages\matplotlib_init_.py", line 963, in
rcParamsDefault = rc_params_in_file(
^^^^^^^^^^^^^^^^^^^
File "C:\Users\dhkwo\anaconda3\envs\labelme\Lib\site-packages\matplotlib_init.py", line 870, in _rc_params_in_file
strippedline = cbook._strip_comment(line)
^^^^^^^^^^^^^^^^^^^^
AttributeError: module 'matplotlib.cbook' has no attribute '_strip_comment'

I don't know how to solve this problem...