diff --git a/tests/utils.py b/tests/utils.py
index 7498553..24af83f 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -60,9 +60,8 @@ def check_folder(output_root, epsilon, e_weight, f_weight, e_filename, f_filenam
             tests = sum(f_map[f] for f, s in data if s == "test")
         else:
             trains, tests = splits[-1].count("train"), splits[-1].count("test")
-        train_frac, test_frac = trains / (trains + tests), tests / (trains + tests)
-        assert 0.7 * (1 - epsilon) <= train_frac
-        assert 0.3 * (1 - epsilon) <= test_frac
+        assert int(0.7 * (1 - epsilon) * (trains + tests)) <= trains
+        assert int(0.3 * (1 - epsilon) * (trains + tests)) <= tests
         if n == "I":
             break