refactor: handle istree case in is_parameter

SciML · Nov 20, 2023 · 143a180 · 143a180
1 parent ce7e82a
commit 143a180
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/systems/abstractsystem.jl b/src/systems/abstractsystem.jl
@@ -224,8 +224,12 @@ function SymbolicIndexingInterface.variable_symbols(sys::AbstractSystem)
 end
 
 function SymbolicIndexingInterface.is_parameter(sys::AbstractSystem, sym)
+    usym = unwrap(sym)
     if unwrap(sym) isa Int
-        return unwrap(sym) in 1:length(parameters(sys))
+        return usym in 1:length(parameters(sys))
+    end
+    if istree(usym) && operation(usym) != getindex
+        return false
     end
 
     return any(isequal(sym), parameters(sys)) || is_parameter(sys, getname(sym))