Cannot import QtCore on ubuntu(anaconda3)

[tham]

Install PySide2 on ubuntu by Anaconda3

pip install PySide2
After that I set up the path
export LD_LIBRARY_PATH=$HOME/anaconda3/lib:$LD_LIBRARY_PATH

After that I try to import Qt5Core, it throw error message

ImportError: /home/ubuntu/anaconda3/lib/libQt5Core.so.5: version `Qt_5.12' not found (required by /home/ubuntu/anaconda3/envs/pyside2/lib/python3.7/site-packages/PySide2/QtCore.abi3.so)

Should I build the pyside2 by myself?