今天，我尝试导入库存管理烧瓶应用程序，但遇到了很多错误。希望你能帮助我，这个项目来自 github https://github.com/marination/Inventory-Manager
这些是错误：
Traceback (most recent call last):
File "C:\workspace\Inventory-Manager\run.py", line 1, in <module>
from flaskinventory import app
File "C:\workspace\Inventory-Manager\flaskinventory\__init__.py", line 1, in <module>
from flask import Flask
File "C:\workspace\Inventory-Manager\ven\lib\site-packages\flask\__init__.py", line 19, in <module>
from jinja2 import Markup, escape
File "C:\workspace\Inventory-Manager\ven\lib\site-packages\jinja2\__init__.py", line 33, in <module>
from jinja2.environment import Environment, Template
File "C:\workspace\Inventory-Manager\ven\lib\site-packages\jinja2\environment.py", line 16, in <module>
from jinja2.defaults import BLOCK_START_STRING, \
File "C:\workspace\Inventory-Manager\ven\lib\site-packages\jinja2\defaults.py", line 32, in <module>
from jinja2.tests import TESTS as DEFAULT_TESTS
File "C:\workspace\Inventory-Manager\ven\lib\site-packages\jinja2\tests.py", line 13, in <module> …