We need to unwrap guesses

Author: YingboMa

src/systems/abstractsystem.jl

@@ -867,10 +867,7 @@ end
 
 function namespace_guesses(sys)
     guess = guesses(sys)
-    Dict((vv = unwrap(v);
-         kk = unwrap(k);
-         unknowns(sys, kk) => vv isa Symbolic ? namespace_expr(v, sys) : vv)
-    for (k, v) in guess)
+    Dict(unknowns(sys, k) => namespace_expr(v, sys) for (k, v) in guess)
 end
 
 function namespace_equations(sys::AbstractSystem, ivs = independent_variables(sys))

src/systems/diffeqs/odesystem.jl

@@ -247,6 +247,7 @@ function ODESystem(deqs::AbstractVector{<:Equation}, iv, dvs, ps;
     var_guesses = dvs′[hasaguess] .=> sysguesses[hasaguess]
     sysguesses = isempty(var_guesses) ? Dict() : todict(var_guesses)
     guesses = merge(sysguesses, todict(guesses))
+    guesses = Dict{Any, Any}(value(k) => value(v) for (k, v) in pairs(guesses))
 
     isempty(observed) || collect_var_to_name!(var_to_name, (eq.lhs for eq in observed))