use @require instead of direct dependency

Author: nathanemac

Project.toml

@@ -4,11 +4,11 @@ authors = ["Dominique Orban <dominique.orban@gmail.com>, Robert Baraldi <robertj
 version = "0.1.1"
 
 [deps]
-ADNLPModels = "54578032-b7ea-4c30-94aa-7cbd1cce6c9a"
 Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 NLPModels = "a4795742-8479-5a88-8948-cc11e1c8c1a6"
 Noise = "81d43f40-5267-43b7-ae1c-8b967f377efa"
+Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"

src/RegularizedProblems.jl

@@ -24,6 +24,13 @@ function __init__()
     include("testset_group_lasso.jl")
   end
   @require ADNLPModels = "54578032-b7ea-4c30-94aa-7cbd1cce6c9a" begin
+    using Pkg
+    v = Pkg.dependencies()[Base.UUID("54578032-b7ea-4c30-94aa-7cbd1cce6c9a")].version
+    if v > v"0.7.2"
+      @warn "ADNLPModels version $v > 0.7.2 installed. \
+             To avoid compatibility issues with fh_model(), recommended versions are ≤ 0.7.2."
+    end
+
     @require DifferentialEquations = "0c46a032-eb83-5123-abaf-570d42b7fbaa" begin
       include("fh_model.jl")
       @require ProximalOperators = "a725b495-10eb-56fe-b38b-717eba820537" begin