fix next tip type testing error

JuBiotech · Jan 18, 2023 · b3cb493 · b3cb493
1 parent 7dc5090
commit b3cb493
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/robotools/tests.py b/robotools/tests.py
@@ -570,9 +570,9 @@ def test_parameter_validation(self) -> None:
             liquid_class="Water_DispZmax-1_AspZmax-1",
             tips=[1, 2],
         )
-        if type(tips) is not evotools.Tip:
+        if not all(isinstance(n, evotools.Tip) for n in tips):
             raise TypeError(
-                f"Even after completing the _prepare_evo_aspirate_dispense_parameters method, tips are type {type(tips)}."
+                f"Even after completing the _prepare_evo_aspirate_dispense_parameters method, not all tips are type Tip."
             )
         # test volume argument checks
         with self.assertRaises(ValueError):