fixup! fix: handle nothing values in InitializationProblem

Author: AayushSabharwal

src/systems/diffeqs/abstractodesystem.jl

@@ -1332,8 +1332,8 @@ function InitializationProblem{iip, specialize}(sys::AbstractSystem,
     if u0T != Union{}
         u0T = eltype(u0T)
         u0map = Dict(k => if v === nothing
-        nothing
-        elseif symbolic_type(v) == NotSymbolic() && !is_array_of_symbolics(v)
+                         nothing
+                     elseif symbolic_type(v) == NotSymbolic() && !is_array_of_symbolics(v)
                          v isa AbstractArray ? u0T.(v) : u0T(v)
                      else
                          v