tweaks

csst_dag/dag/_base_dag.py

@@ -73,7 +73,7 @@ class BaseDAG:
         assert dag in DAG_LIST, f"{dag} not in DAG_MAP"
         # determine instrument
         self.instrument = dag.split("-")[1]  # e.g., "MSC"
-        assert self.instrument in self.INSTRUMENT_ENUM
+        assert self.instrument in self.INSTRUMENT_ENUM, self.instrument
 
         # Load yaml and json config
         yml_path = os.path.join(DAG_CONFIG_DIR, f"{dag}.yml")