📅  最后修改于: 2022-03-11 14:47:34.309000             🧑  作者: Mango
If the variable is declred but not found so you are getting 'undefined variable'
then it can be happen for many reasons but one of them and mostly occured one is'
"import" order.
Please reorder your import statement and make sure that
"the variables file at the top"
of all import statement.