only dispense air gap on non-blank trials

Opentrons · Mar 13, 2024 · 2fc8936 · 2fc8936
1 parent 1d39f5f
commit 2fc8936
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/hardware-testing/hardware_testing/gravimetric/liquid_class/pipetting.py b/hardware-testing/hardware_testing/gravimetric/liquid_class/pipetting.py
@@ -258,7 +258,8 @@ def _aspirate_on_retract() -> None:
 
     def _dispense_on_approach() -> None:
         # remove trailing-air-gap
-        pipette.dispense(liquid_class.aspirate.trailing_air_gap)
+        if not blank:
+            pipette.dispense(liquid_class.aspirate.trailing_air_gap)
 
     def _dispense_on_submerge() -> None:
         callbacks.on_dispensing()