corrected copy paste error

inventory_provider/tasks/ims_worker.py

@@ -78,7 +78,7 @@ def internal_refresh_phase_2_ims(self):
             import_unmanaged_interfaces.apply_async()
         ]
 
-        r = get_next_redis(config)
+        r = get_next_redis(InventoryTask.config)
         routers = r.get('netdash')
         assert routers
         # for hostname in data.derive_router_hostnames(InventoryTask.config):