Store model_version details regardless of model version configuration

arkindex_worker/worker/base.py

@@ -148,6 +148,13 @@ class BaseWorker:
         # there is at least one available sqlite database either given or in the parent tasks
         self.use_cache = False
 
+        # model_version_id will be updated in configure() using the worker_run's model version
+        # or in configure_for_developers() from the environment
+        self.model_version_id = None
+        # model_details will be updated in configure() using the worker_run's model version
+        # or in configure_for_developers() from the environment
+        self.model_details = {}
+
         # task_parents will be updated in configure_cache() if the cache is supported,
         # if the task ID is set and if no database is passed as argument
         self.task_parents = []