异常3:ImportError cannot import name from partially initialized (most likely due to a circular import)
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异常3:ImportError cannot import name ‘goods_bp’ from partially initialized module ‘goods’ (most likely due to a circular import)
一、遇到的问题
(most likely due to a circular import)

二、原因
两个模块互相引用,但是彼此都未完全的加载到内存中

三、解决方法
调整导入语句的顺序
from flask import Blueprint
------------[调整顺序]-----------------
# goods蓝图
goods_bp = Blueprint('goods',__name__)
------------[调整顺序]-----------------
from . import views
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