Anaconda run error : qtpy.PythonQtError: No Qt bindings could be found

--------------------------------------------------------------------------------------------------------------

(base) user@localhost:~/dev/anaconda3/bin$ anaconda-navigator
Traceback (most recent call last):
File "/home/user/.local/lib/python3.8/site-packages/qtpy/init.py", line 204, in
from PySide import version as PYSIDE_VERSION # analysis:ignore
ModuleNotFoundError: No module named 'PySide'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/home/user/dev/anaconda3/bin/anaconda-navigator", line 7, in
from anaconda_navigator.app.main import main
File "/home/user/dev/anaconda3/lib/python3.8/site-packages/anaconda_navigator/app/main.py", line 22, in
from anaconda_navigator.utils.conda import is_conda_available
File "/home/user/dev/anaconda3/lib/python3.8/site-packages/anaconda_navigator/utils/init.py", line 15, in
from qtpy.QtGui import QIcon
File "/home/user/.local/lib/python3.8/site-packages/qtpy/init.py", line 210, in
raise PythonQtError('No Qt bindings could be found')
qtpy.PythonQtError: No Qt bindings could be found

--------------------------------------------------------------------------------------------------------------

 

just install PyQT5

$ pip install pyqt5