Merge pull request #295 from mark-tomich/main

allow for req_keepvars_extra to be configured

Author: minrk

batchspawner/batchspawner.py

@@ -162,7 +162,7 @@ def _req_keepvars_default(self):
         help="Extra environment variables which should be configured, "
         "added to the defaults in keepvars, "
         "comma separated list.",
-    )
+    ).tag(config=True)
 
     batch_script = Unicode(
         "",