hot fix cycle simulation

Author: andre_ramos

Project.toml

@@ -1,7 +1,7 @@
 name = "StateSpaceLearning"
 uuid = "971c4b7c-2c4e-4bac-8525-e842df3cde7b"
 authors = ["andreramosfc <[email protected]>"]
-version = "2.0.7"
+version = "2.0.8"
 
 [deps]
 Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f"

src/models/structural_model.jl

@@ -1618,7 +1618,7 @@ function simulate_states(
             seasonals_t = [zeros(N_scenarios) for _ in eachindex(model.freq_seasonal)]
         end
 
-        if model.cycle_period != 0
+        if model.cycle_period != 0 && model.cycle_period != []
             cycles_t = []
             for i in eachindex(model.cycle_period)
                 λ = 2 * pi * (1:(T + steps_ahead)) / model.cycle_period[i]