UndefVarError for global var (from Main) [julia 0.7]

General Usage
1 
## A.jl
module A
f(a) = Main.X
g = Main.X
end

## init_working.jl
X = 1
include("A.jl")

## init_failing.jl
X = 1
using A

I get an UndefVarError if I do using A and A contains g = Main.X

No error if I exclude g = Main.X from A or use include("A.jl")

I believe I am getting this since julia 0.7