Upgraded to julia v1.5 compatibility

.travis.yml

@@ -5,7 +5,7 @@ os:
   - osx
 
 julia:
-  - 1.4
+  - 1.5
 
 env:
   global:
@@ -17,7 +17,7 @@ notifications:
 jobs:
   include:
     - stage: "Documentation"
-      julia: 1.4
+      julia: 1.5
       os: linux
       script:
         - julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd()));

Project.toml

@@ -1,6 +1,6 @@
 name = "ClimateMARGO"
 uuid = "d3f62095-a717-45bf-aadc-ac9dfc258fa6"
-version = "0.1.1"
+version = "0.1.2"
 
 [deps]
 Combinatorics = "861a8166-3701-5b0c-9a16-15d98fcdc6aa"
@@ -14,14 +14,14 @@ Revise = "295af30f-e4ad-537b-8983-00126c2a3abe"
 
 [compat]
 Combinatorics = "1.0.2"
-IJulia = "1.21.2"
-Ipopt = "0.6.2"
+IJulia = "1.21.3"
+Ipopt = "0.6.3"
 JSON2 = "0.3.2"
-JuMP = "0.21.3"
+JuMP = "0.21.4"
 PyCall = "1.91.4"
 PyPlot = "2.9.0"
-Revise = "2.7.3"
-julia = "^1.3"
+Revise = "2.7.6"
+julia = "^1.5"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

src/ClimateMARGO.jl

@@ -1,7 +1,7 @@
 module ClimateMARGO
 
-if VERSION < v"1.3"
-    @error "ClimateMARGO requires Julia v1.3 or newer."
+if VERSION < v"1.5"
+    @error "ClimateMARGO requires Julia v1.5 or newer."
 end
 
 include("Models/Models.jl")

src/Optimization/deterministic_optimization.jl

@@ -184,7 +184,7 @@ function optimize_controls!(
     )
 
     for (key, control) in control_vars
-        if control_inits[key] != nothing
+        if control_inits[key] !== nothing
             fix(control_vars[key][1], control_inits[key]; force = true)
             Nstart = 2
         else
@@ -196,7 +196,7 @@ function optimize_controls!(
                 fix(control_vars[key][idx], controls[key][idx]; force = true)
             else
                 if tarr[idx] < start_deployment[key]
-                    if control_inits[key] != nothing
+                    if control_inits[key] !== nothing
                         fix(control_vars[key][idx], control_inits[key]; force = true)
                     else
                         fix(control_vars[key][idx], 0.; force = true)