jieba don't reload dicttionary

import jieba
jieba.initialize()

References :
jieba.load_userdict()的问题 · Issue #399 · fxsjy/jieba

org.bluez.Error.Failed

# rfkill unblock bluetooth
# hciconfig hci0 up

References :
蓝牙设备上电提示Failed to set power on: org.bluez.Error.Blocked - pengrui18的专栏 - CSDN博客

fatal error: glib.h: No such file or directory

# apt-get install libglib2.0-dev

ImportError: No module named 'btlewrap'

# pip3 install btlewrap