diff --git a/src/lmp/aelmp.jl b/src/lmp/aelmp.jl
index 8b4e44c..71278f1 100644
--- a/src/lmp/aelmp.jl
+++ b/src/lmp/aelmp.jl
@@ -120,9 +120,7 @@ function _aelmp_check_parameters(
 )
     # CHECK: model cannot have multiple scenarios
     if length(instance.scenarios) > 1
-        error(
-            "The method does NOT support multiple scenarios.",
-        )
+        error("The method does NOT support multiple scenarios.")
     end
     sc = instance.scenarios[1]
     # CHECK: model must be solved if allow_offline_participation=false
diff --git a/test/lmp/aelmp_test.jl b/test/lmp/aelmp_test.jl
index 5f236da..484275c 100644
--- a/test/lmp/aelmp_test.jl
+++ b/test/lmp/aelmp_test.jl
@@ -20,7 +20,7 @@ import UnitCommitment: AELMP
     # policy 1: allow offlines; consider startups
     aelmp_1 =
         UnitCommitment.compute_lmp(model, AELMP(), optimizer = HiGHS.Optimizer)
-    @test aelmp_1["s1","B1", 1] ≈ 231.7 atol = 0.1
+    @test aelmp_1["s1", "B1", 1] ≈ 231.7 atol = 0.1
 
     # policy 2: do not allow offlines; but consider startups
     aelmp_2 = UnitCommitment.compute_lmp(
@@ -31,5 +31,5 @@ import UnitCommitment: AELMP
         ),
         optimizer = HiGHS.Optimizer,
     )
-    @test aelmp_2["s1","B1", 1] ≈ 274.3 atol = 0.1
+    @test aelmp_2["s1", "B1", 1] ≈ 274.3 atol = 0.1
 end
diff --git a/test/lmp/conventional_test.jl b/test/lmp/conventional_test.jl
index d78d443..80a4ce5 100644
--- a/test/lmp/conventional_test.jl
+++ b/test/lmp/conventional_test.jl
@@ -38,14 +38,14 @@ end
     # instance 3
     path = "$FIXTURES/lmp_simple_test_3.json.gz"
     lmp = solve_conventional_testcase(path)
-    @test lmp["s1","A", 1] == 50.0
-    @test lmp["s1","B", 1] == 70.0
-    @test lmp["s1","C", 1] == 100.0
+    @test lmp["s1", "A", 1] == 50.0
+    @test lmp["s1", "B", 1] == 70.0
+    @test lmp["s1", "C", 1] == 100.0
 
     # instance 4
     path = "$FIXTURES/lmp_simple_test_4.json.gz"
     lmp = solve_conventional_testcase(path)
-    @test lmp["s1","A", 1] == 50.0
-    @test lmp["s1","B", 1] == 70.0
-    @test lmp["s1","C", 1] == 90.0
+    @test lmp["s1", "A", 1] == 50.0
+    @test lmp["s1", "B", 1] == 70.0
+    @test lmp["s1", "C", 1] == 90.0
 end