Fix SlurmClusterExecutor bug (#697)

* Fix SlurmClusterExecutor bug

* Format black

---------

Co-authored-by: pyiron-runner <pyiron@mpie.de>

Author: jan-janssen

executorlib/task_scheduler/file/shared.py

@@ -112,9 +112,9 @@ def execute_tasks_h5(
                 cache_key=cache_key,
             )
             if task_key not in memory_dict:
-                if task_key + "_o.h5" not in get_cache_files(
-                    cache_directory=cache_directory
-                ):
+                if os.path.join(
+                    cache_directory, task_key + "_o.h5"
+                ) not in get_cache_files(cache_directory=cache_directory):
                     file_name = os.path.join(cache_directory, task_key + "_i.h5")
                     dump(file_name=file_name, data_dict=data_dict)
                     if not disable_dependencies: