remove --export=ALL from native, when is_exclusive set true

workflow/rocoto/tasks.py

@@ -224,7 +224,7 @@ def get_resource(self, task_name):
                 native += ':shared'
         elif scheduler in ['slurm']:
             if task_config.get('is_exclusive', False):
-                native = '--export=ALL --exclusive'
+                native = '--exclusive'
             else:
                 native = '--export=NONE'
             if task_config['RESERVATION'] != "":