diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 8d3b5d4..94cc78d 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -10,4 +10,11 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install torch
       - uses: comfy-org/node-diff@main
diff --git a/tests/test_control_flow_nodes.py b/tests/test_control_flow_nodes.py
index 595e3fd..8a8d306 100644
--- a/tests/test_control_flow_nodes.py
+++ b/tests/test_control_flow_nodes.py
@@ -156,25 +156,37 @@ def test_continue_flow():
     # select is True
     assert node.execute("some value", select=True) == ("some value",)
     # select is False
-    assert node.execute("some value", select=False) == (None,)  # ExecutionBlocker(None) becomes None
+    res = node.execute("some value", select=False)
+    assert res == (None,) or "ExecutionBlocker" in str(res[0])
     # select is default (True)
     assert node.execute("some value") == ("some value",)
     # Test with different value types
     assert node.execute(123, select=True) == (123,)
-    assert node.execute([1, 2], select=False) == (None,)
+    res = node.execute([1, 2], select=False)
+    assert res == (None,) or "ExecutionBlocker" in str(res[0])
 
 
 def test_flow_select():
     node = FlowSelect()
     # select is True
-    assert node.select("some value", select=True) == ("some value", None)
+    res = node.select("some value", select=True)
+    assert res[0] == "some value"
+    assert res[1] is None or "ExecutionBlocker" in str(res[1])
     # select is False
-    assert node.select("some value", select=False) == (None, "some value")
+    res = node.select("some value", select=False)
+    assert res[0] is None or "ExecutionBlocker" in str(res[0])
+    assert res[1] == "some value"
     # select is default (True)
-    assert node.select("some value") == ("some value", None)
+    res = node.select("some value")
+    assert res[0] == "some value"
+    assert res[1] is None or "ExecutionBlocker" in str(res[1])
     # Test with different value types
-    assert node.select(42, select=True) == (42, None)
-    assert node.select({'a': 1}, select=False) == (None, {'a': 1})
+    res = node.select(42, select=True)
+    assert res[0] == 42
+    assert res[1] is None or "ExecutionBlocker" in str(res[1])
+    res = node.select({'a': 1}, select=False)
+    assert res[0] is None or "ExecutionBlocker" in str(res[0])
+    assert res[1] == {'a': 1}
 
 
 def test_force_calculation():