diff --git a/tests/dpmdargs.py b/tests/dpmdargs.py
index 0ca38e8..26f87ad 100644
--- a/tests/dpmdargs.py
+++ b/tests/dpmdargs.py
@@ -170,7 +170,14 @@ def descrpt_hybrid_args():
     doc_list = f'A list of descriptor definitions'
     
     return [
-        Argument("list", list, optional = False, doc = doc_list)
+        Argument("list", list, [], [
+            Variant("type", [
+                Argument("loc_frame", dict, descrpt_local_frame_args()),
+                Argument("se_a", dict, descrpt_se_a_args()),
+                Argument("se_r", dict, descrpt_se_r_args()),
+                Argument("se_a_3be", dict, descrpt_se_a_3be_args(), alias = ['se_at']),
+                Argument("se_a_tpe", dict, descrpt_se_a_tpe_args(), alias = ['se_a_ebd'])])],
+            repeat=True, optional = False, doc = doc_list, fold_subdoc=True)
     ]
 
 
@@ -526,17 +533,29 @@ def normalize(data):
     "_comment": " model parameters",
     "model": {
         "type_map":	["O", "H"],
-        "descriptor" :{
-            "type":		"se_a",
-            "sel":		[46, 92],
-            "rcut_smth":	5.80,
-            "rcut":		6.00,
-            "neuron":		[25, 50, 100],
-            "resnet_dt":	false,
-            "axis_neuron":	16,
-            "seed":		1,
-            "_comment":		" that's all"
-        },
+        "descriptor" : { 
+            "type": "hybrid",
+            "list": [{
+                "type":		"se_a",
+                "sel":		[46, 92],
+                "rcut_smth":	5.80,
+                "rcut":		6.00,
+                "neuron":		[25, 50, 100],
+                "resnet_dt":	false,
+                "axis_neuron":	16,
+                "seed":		1,
+                "_comment":		" that's all"
+            },{
+                "type":		"se_r",
+                "sel":		[46, 92],
+                "rcut_smth":	5.80,
+                "rcut":		6.00,
+                "neuron":		[25, 50, 100],
+                "resnet_dt":	false,
+                "seed":		1,
+                "_comment":		" that's all"
+            }]
+        }, 
         "fitting_net" : {
             "neuron":		[240, 240, 240],
             "resnet_dt":	true,
diff --git a/tests/test_docgen.py b/tests/test_docgen.py
index 5ca5482..89ba141 100644
--- a/tests/test_docgen.py
+++ b/tests/test_docgen.py
@@ -19,11 +19,11 @@ def test_sub_fields(self):
         # print("\n\n"+docstr)
 
     def test_sub_repeat(self):
-        ca = Argument("base", dict, [
+        ca = Argument("base", list, [
             Argument("sub1", int, doc="sub doc." * 5),
             Argument("sub2", [None, str, dict], [
                 Argument("subsub1", int, doc="subsub doc." * 5, optional=True),
-                Argument("subsub2", dict, [
+                Argument("subsub2", list, [
                     Argument("subsubsub1", int, doc="subsubsub doc." * 5)
                 ], doc="subsub doc." * 5, repeat=True)
             ], doc="sub doc." * 5)