diff --git a/tests/cases/checker/09_frame_ops.py.ref.json b/tests/cases/checker/09_frame_ops.py.ref.json
index 6c77757..dd689df 100644
--- a/tests/cases/checker/09_frame_ops.py.ref.json
+++ b/tests/cases/checker/09_frame_ops.py.ref.json
@@ -2296,14 +2296,18 @@
             "index": 0,
             "name": "a",
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+              "type": {
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             "name": "b",
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+              "type": {
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@@ -2517,14 +2521,18 @@
             "index": 0,
             "name": "a",
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+              "type": {
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+              }
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             "name": "b",
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+              "type": {
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+              }
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@@ -2659,14 +2667,18 @@
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             "name": "a",
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+              "type": {
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             "index": 1,
             "name": "b",
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+              "type": {
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@@ -3687,7 +3699,9 @@
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+        "type": {
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@@ -3841,7 +3855,9 @@
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+        "type": {
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@@ -3878,7 +3894,9 @@
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+        "type": {
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@@ -3952,7 +3970,9 @@
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+        "type": {
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@@ -4167,7 +4187,9 @@
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+        "type": {
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@@ -4288,7 +4310,9 @@
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+        "type": {
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@@ -4366,7 +4390,9 @@
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+        "type": {
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