how to set JULIA_COPY_STACKS=1 in jupyter?

[yummy527]

When runing in jupyter the code below,

using Taro
Taro.init()
Taro.readxl("result.xls")

Erro occurs.

using Taro

Taro.init()

Taro.readxl("result.xls")

┌ Warning: JavaCall needs the environment variable `JULIA_COPY_STACKS` to be `1` or `yes`.
│ Calling the JVM may result in undefined behavior.
└ @ JavaCall /home/wangxl/.julia/packages/JavaCall/tjlYt/src/JavaCall.jl:53

JavaCall.JavaCallError("Either the environmental variable JULIA_COPY_STACKS must be 1 OR JavaCall must be used on the root Task.")

Stacktrace:
 [1] assertroottask_or_goodenv
   @ ~/.julia/packages/JavaCall/tjlYt/src/jvm.jl:236 [inlined]
 [2] _init(opts::Vector{String})
   @ JavaCall ~/.julia/packages/JavaCall/tjlYt/src/jvm.jl:285
 [3] init()
   @ JavaCall ~/.julia/packages/JavaCall/tjlYt/src/jvm.jl:277
 [4] init()
   @ Taro ~/.julia/packages/Taro/7MUCw/src/Taro.jl:21
 [5] top-level scope
   @ In[1]:2
 [6] eval
   @ ./boot.jl:373 [inlined]
 [7] include_string(mapexpr::typeof(REPL.softscope), mod::Module, code::String, filename::String)
   @ Base ./loading.jl:1196

[mkitti]

I answered the question here:
aviks/Taro.jl#67 (comment)

Please mention related issues when you cross post.

[yummy527]

I answered the question here: aviks/Taro.jl#67 (comment)

Please mention related issues when you cross post.

Thanks!