Drop 1.6

Author: YingboMa

.github/workflows/Downstream.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        julia-version: [1,1.6]
+        julia-version: [1]
         os: [ubuntu-latest]
         package:
           - {user: SciML, repo: SciMLBase.jl, group: Downstream}

.github/workflows/ci.yml

@@ -26,7 +26,6 @@ jobs:
           - All
         version:
           - '1'
-          - '1.6'
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1

Project.toml

@@ -98,7 +98,7 @@ Symbolics = "5.0"
 URIs = "1"
 UnPack = "0.1, 1.0"
 Unitful = "1.1"
-julia = "1.6"
+julia = "1.9"
 
 [extras]
 AmplNLWriter = "7c4d4715-977e-5154-bfe0-e096adeac482"

test/structural_transformation/tearing.jl

@@ -27,17 +27,15 @@ io = IOBuffer()
 show(io, MIME"text/plain"(), state.structure)
 prt = String(take!(io))
 
-if VERSION >= v"1.6"
-    @test occursin("Incidence matrix:", prt)
-    @test occursin("×", prt)
-    @test occursin("⋅", prt)
-
-    buff = IOBuffer()
-    io = IOContext(buff, :mtk_limit => false)
-    show(io, MIME"text/plain"(), state.structure)
-    prt = String(take!(buff))
-    @test occursin("SystemStructure", prt)
-end
+@test occursin("Incidence matrix:", prt)
+@test occursin("×", prt)
+@test occursin("⋅", prt)
+
+buff = IOBuffer()
+io = IOContext(buff, :mtk_limit => false)
+show(io, MIME"text/plain"(), state.structure)
+prt = String(take!(buff))
+@test occursin("SystemStructure", prt)
 
 # u1 = f1(u5)
 # u2 = f2(u1)