Fix empty deps list in tasks

Project.toml

 name = "FACT_workflow_manager"
 uuid = "34b7aff1-f91f-4b8b-9a3d-d0a54f07d855"
 authors = ["Riccardo Boero <ribo@nilu.no>"]
-version = "0.0.5"
+version = "0.0.6"
 
 [deps]
 DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"

src/Runner.jl

@@ -97,6 +97,7 @@ println("Results container needs saving: ", update_needed[])
 This example demonstrates how tasks are executed respecting dependencies, with access to services provided by the registry.
 """
 function manage_workflow(tasks::Dict, results_container::Dict, system::OrchestratorRegistry.ServiceRegistry)
+    overwrite = true
     # Flag to return whether there is a need to save an updated image of FACTResultsIO
     update_condition = Atomic{Bool}(false)
 
@@ -117,8 +118,14 @@ function manage_workflow(tasks::Dict, results_container::Dict, system::Orchestra
             try
                 # Prepare the dependencies information beforehand
                 dependencies_info = Dict{String, Dict}()
-                for dep in task_info["dependencies"]
-                    dependencies_info[dep] = tasks[dep]
+                if haskey(task_info, "dependencies") && !isempty(task_info["dependencies"])
+                    for dep in task_info["dependencies"]
+                        if haskey(tasks, dep)
+                            dependencies_info[dep] = tasks[dep]
+                        else
+                            #println("Warning: Dependency $dep not found in tasks.")
+                        end
+                    end
                 end
                 # Check if the task has dependencies and wait for them if it does
                 if haskey(task_info, "dependencies") && !isempty(task_info["dependencies"])