diff --git a/.github/workflows/tom-tests.yml b/.github/workflows/tom-tests.yml
index a48f71d3..6d49f26e 100644
--- a/.github/workflows/tom-tests.yml
+++ b/.github/workflows/tom-tests.yml
@@ -41,6 +41,11 @@ jobs:
       run: |
         docker compose exec -it shell /bin/bash -c "PGPASSWORD=fragile pg_restore --data-only -h postgres -U postgres -d tom_desc /tests/elasticc2_alertcycle_complete.psqlc"
 
+    - name: Run a test of pandas
+      working-directory: resspect
+      run: |
+        docker compose exec -it resspect /bin/bash -c "python3 -m pytest -k test_pandas"
+
     - name: Run one night of processing
       working-directory: resspect
       run: |
diff --git a/src/resspect/time_domain_loop.py b/src/resspect/time_domain_loop.py
index 92f337a3..659d2ea1 100644
--- a/src/resspect/time_domain_loop.py
+++ b/src/resspect/time_domain_loop.py
@@ -820,6 +820,9 @@ def time_domain_loop(config, **kwargs):
     first_loop_data, light_curve_data = _load_first_loop_and_full_data(
         first_loop_file_path, config
     )
+    print("After _load_first_loop_and_full_data.")
+    print(f"type(first_loop_data.pool_labels): {type(first_loop_data.pool_labels).__name__}")
+    print(f"type(light_curve_data.pool_labels): {type(light_curve_data.pool_labels).__name__}")
 
     # get keyword for obj identification
     id_key_name = light_curve_data.identify_keywords()
@@ -835,6 +838,9 @@ def time_domain_loop(config, **kwargs):
         config.initial_training,
         config.queryable
     )
+    print("After _update_light_curve_data_val_and_test_data.")
+    print(f"type(light_curve_data.pool_labels): {type(light_curve_data.pool_labels).__name__}")
+
     light_curve_data = _update_queryable_ids(
         light_curve_data, id_key_name, config.queryable
     )
diff --git a/tests/resspect/test_sample_utils.py b/tests/resspect/test_sample_utils.py
index 1bc4aebb..fb0eaa80 100644
--- a/tests/resspect/test_sample_utils.py
+++ b/tests/resspect/test_sample_utils.py
@@ -1,6 +1,7 @@
 """Tests for sample_utils.py."""
 
 import numpy as np
+import pandas as pd
 import pytest
 
 from resspect.samples_utils import sep_samples
@@ -47,6 +48,13 @@ def test_sep_samples_too_many():
     assert len(samples) == 4
     assert len(samples["query"]) == 0
 
+def test_pandas():
+    data = {"a":[1,2,3],"b":[4,5,6]}
+    assert type(data).__name__ == 'dict'
+    df = pd.DataFrame(data)
+    assert type(df).__name__ == 'DataFrame'
+    assert type(df["a"]).__name__ == 'Series'
+    assert type(df["a"].values).__name__ == 'ndarray'
 
 if __name__ == '__main__':
     pytest.main()