Natalie

Updates made to make sure the bio train works with Python3.

updates for Python 3

1

In order to make this work for python 3, instances of "import cPickle as pickle" need to be changed to "import pickle" Additionally, in data_utils.py the load_graph function must be...

Line 2 of train_helpers.py should be "from netquery.utils " rather than "from utils"

hypergeom doesn't work for complex arguments

2

`hypergeom([1.0; 2.0],2.0*im,2.)` returns ``` MethodError: no method matching hypergeom(::Array{Float64,1}, ::Complex{Float64}, ::Float64) Closest candidates are: hypergeom(::Union{Array{Float64,1}, Array{Union{},1}, Float64}, ::Union{Array{Float64,1}, Array{Union{},1}, Float64}, ::Float64) at /Users/nataliesheils/.julia/v0.6/GSL/src/7_21_HypergeometricFunctions.jl:11 ```