import issue fixed

Author: sivasathyaseeelan

src/JumpProcesses.jl

@@ -18,6 +18,8 @@ using UnPack: UnPack, @unpack
 using Graphs: Graphs, AbstractGraph, dst, grid, src
 using StaticArrays: StaticArrays, SA, SVector, @SVector, setindex
 using Base.Threads: Threads, @threads
+using Base.FastMath: add_fast
+using Setfield: @set, @set!
 
 # Import functions we extend from Base
 import Base: size, getindex, setindex!, length, similar, show, merge!, merge