web_api required package

zope.sqlalchemy==1.1

ImportError: Unable to find zbar shared library

sudo apt-get install zbar-tools

ModuleNotFoundError: No module named '_sqlite3'

Install sqlite3 and into python3.6.4 installation package recompile python3

sudo apt-get update
sudo apt-get install libsqlite-dev

#重新编译 python3

./configure

sudo make -j4
sudo make install